Yash Lohana
from
Vidyani Vidyalaya, Vadodara

Subject :IMO Class : Class 5

The natural number which is a multiple of every number is ______.

A 0

B 1

C There is no such number

D None of these

answer must be c

## Ans 1:

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## Ans 2:

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Saarth Agrawal
from
Podar International School , Mumbai

Class : Class 6

FACTOR OF EVERY NUMBER IS 1!!!!!!!!!!!!!!!!!!!!!!!!!!! 1 IS NOT THE MULTIPLE OF EVERY NUMBER!!!!!!!!!!!!!!!!!!!!!!

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Harsh Shukla
from
DPS Bangalore East, Bengaluru

Class : Class 9

the answer is c because 0 is a natural number and 1 is the only multiple of itself

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Utkarsh Chakravarty
from
Pinnacle High International School, Mumbai

Class : Class 6

the answer is obviously C because 0 is the only number which is it but it is a whole number

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## Ans 9:

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Aarush Thakur
from
DPS, Gurgaon

Class : Class 6

Ans is because 0 is not a natural number and 1 is a factor of every number not a multiple

## Ans 10:

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Anika Saha
from
New Town School, KOLKATA

Class : Class 6

1 is a factor of every number not a multiple . there is no such number as the smallest multiple of a number is the number itself

## Ans 11:

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Harshil Jain
from
DPS, Bangalore

Class : Class 5

The answer is C as there is no such number that is a multiple of every number. If it were a factor then it would have been correct

## Ans 13:

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Aarush Thakur
from
DPS, Gurgaon

Class : Class 6

The answer is wrongly given at the back .
It should be C

## Ans 15:

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AARAV AGRAWAL
from
BIRLA DIVYA JYOTI, SILIGURI

Class : Class 6

Either the question should be ''The natural number is a factor of every number is ________________.'' or the solution that SOF Olympiad Trainer has given the wrong output. The answer should be C. Please change the output SOF Olympiad Trainer.

## Ans 16:

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Bhabani Prasad
from
Narayan School, Kolkata

Class : Class 6

Is 0 a natural number? Well 1 can never be the MULTIPLE of every number. 1 is the multiple of only itself.

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VEDHA
from
THE PSBB Learning Leadership Academy , BANGALORE

Class : Class 6

Answer is C . If 1 has to be the answer , the question should be " The natural number which is a factor of every number is "

## Ans 18:

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Ashmi Narkar
from
VIBGYOR High, Airoli, Navi Mumbai

Class : Class 6

Answer is C because 1 is a natural number and also the FACTOR of every number. It isn't possible that B is the answer for multiple.

## Ans 19:

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Y Monish
from
Sri Gurudatta High School, hyderabad

Class : Class 5

The correct answer is 'C' as 0 is the multiple of every number and it is not a natural number. So, the answer is ' There is no such number '

## Ans 20:

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Aarav Gupta
from
Delhi Public School Bangalore East, Bangalore

Class : Class 5

answer is c as 0 is not a natural number and 1 is a factor of every number,not multiple

## Ans 21:

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Abhinav Huralikoppi
from
Sanskaar English Medium School , Hubballi

Class : Class 5

The answer should be A or B since if the answer A, that is 0, it can be the answer as any number multiplied by 0 is equal to 0. But, if the answer is B, that is 1, it can be the answer if the question has been framed wrongly, that is, if the question would have been "What is the common factor of all the numbers" since all numbers are divisible by 1. But how could the question possibly go so horribly wrong?

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Ryan Rajesh
from
TOCH PUBLIC SCHOOL, KOCHI

Class : Class 10

one is not a multiple of every number , but every number is a multiple of one, . zero is not a multiple of every number . answer is definitely C

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Vaikhari Sonawane
from
symbiosis school, Nashik

Class : Class 10

the smallest multiple of a number is itself

## Ans 26:

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harry potter
from
Hogwarts school of witchcraft and wizardry , london

Class : Class 5

the ans is C dude! how the sh*8 is that 1?! coz' 1 is the factor of every number, man. are we doing timepass here??

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## Ans 29:

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Writoshree Biswas
from
Delhi Public School, Gurgaon

Class : Class 6

It should be c. There is no such number. And 1 is factor not multiple!!!

## Ans 31:

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DIVISHA.AGARWAL
from
d.p.s. noida, Noida

Class : Class 5

0 is the answer but it is showing 1 as answer. Problem!

## Ans 32:

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Jaiansh Dabas
from
St Xaviers High School, Gurgaon

Class : Class 4

1 is the factor of every number not multiple he should learn.

## Ans 33:

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Navya Saini
from
dpsnoida, Noida

Class : Class 5

C because 1 is a common FACTOR of every number, not multiple. And 0 is a whole number and I doubt any other number would be a multiple for every number so it's gotta be C.

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A Ramakrishna Rao
from
D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar

Class : Class 6

0 is not a natural number

## Ans 35:

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Midhuna
from
ABCD, Banglore

Class : Class 3

1 is a factor of all natural numbers .It is not multiple of all numbers

## Ans 36:

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Aananya Singh
from
DPS East, Bangalore

Class : Class 4

The correct answer is 'c' because there is no such number that is a multiple of every number and 1 is the factor of every number and not the multiple .

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Sai Lakshmi Rao
from
Maneckji Cooper Education Trust, Mumbai

Class : Class 4

1X0 IS 0.2XO 03X0 0easy peasy.

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## Ans 41:

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Navya Agarwal
from
Oberoi International School Jogeshwari, Mumbai

Class : Class 6

The answer should be C.

## Ans 42:

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aarsh walavalkar
from
indira national school, pune

Class : Class 9

the answer should be c because 1 is a factor of every number and the smallest multiple of any number is the number itself

## Ans 44:

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Satvik Agrawal
from
Delhi Public School, bhopal

Class : Class 5

it must be c as 1 is the factor of every number not multiple!

## Ans 45:

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GANIA RATHORE
from
vidya mandir estancia, kanchipuram district

Class : Class 5

The answer is C. One is not a multiple of every number

## Ans 46:

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Soorya Tej R
from
Delhi Public School, Hyderabad

Class : Class 6

ccccccccccccccccccccccccccccccccccccccc

## Ans 47:

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Pallav Agarwal
from
DLF PUBLIC SCHOOL SAHIBABAD, Ghaziabad

Class : Class 7

yes the answer is wrong on the SOF portal . It is showing answer B but the correct answer is C

## Ans 50:

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Vedanth S
from
Kumarans Childrens Academy, Bangalore

Class : Class 6

Answer is D. 1 is not a multiple but factor of all natural numbers.

## Ans 51:

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Arnav Raj Sharma
from
GEMS International School the ultra master mega, Gurgaon

Class : Class 1

(C) (C) (C) (C) (C) IS CORRECT

## Ans 52:

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Rushil Arora
from
DPS, New Delhi

Class : Class 5

the ans is c because 1 is a factor of every no. not a multiple.the answer would be 0 if they asked for a whole no.

## Ans 54:

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sujata patel
from
Podar International, Pune

Class : Class 6

how can 1 be a multiple of a number accept 1 itself . I suggest the human to write all tables 1000 times

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## Ans 56:

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krishneil
from
Elpro international school, Pune

Class : Class 6

1 is the factor of every number not a multiple.The answer should be (A)

## Ans 57:

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shreya
from
Airforce school , Bengaluru

Class : Class 2

C is the answer. I donÃ¢Â€Â™t understand how 1 can come.

## Ans 58:

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Aagnik Ray
from
St. Xavier's Collegiate School, Kolkata

Class : Class 5

The answer will not be 1 as 1 is a factor of every number, not a multiple. The multiple of every number is infinite, not the 2nd Natural number.

## Ans 61:

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Amyra Chopra
from
Ivy World School Jalandhar, Jalandhar

Class : Class 2

The corretct answer is C because there is no such number which comes in all the tables. Multiples are the products of numbers. Then how is it possible that SOF website is showing the answer is 1

## Ans 62:

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gatkalv@gmail
from
podar cbse jalna, jalna

Class : Class 4

Kavya Vikas Gatkal from Podar International School JalnaThe answer is c because 1 is a factor of every number not a multiple

## Ans 64:

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DAIVIK AMBATI
from
Kendriya Vidyalaya, Dharwad, Dharwad

Class : Class 9

The answer is definitely c "There is no such number" as 0 is not a natural number but a whole number. Secondly though 1 is a natural number it is only a multiple of itself and not a multiple of every number.

## Ans 65:

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Nishit Vaity
from
Euro School Airoli, Navi Mumbai

Class : Class 6

it is 0 its the answer 0 is the multiple of every number see 1 multiplied by 0 is 0 then 1 multiplied by 1 is 1 so 0 comes before one and it comes in every numbers table but we dont list

## Ans 66:

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Mystic Girl
from
NPS, Bnagalore

Class : Class 6

Agreed , answer is C. 1 is not a multiple of every number, it is a factor of every number. There is a error in the answer system.

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## Ans 73:

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SOUVAGYA SAHA
from
De Nobili School, DHANBAD

Class : Class 8

souvagya saha from de nobili fri dhanbad1is a factor of every number. the answer is c.

## Ans 74:

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Asmi Raniga
from
Indian school Ghubra, Muscat

Class : Class 7

the answer should be c. 1 is a natural number but it is a factor of every number not a multiple. and zero is a whole no. so it should be whole no. which is a multiple of every no.

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Pradnya Ambatipudi
from
Vikas- The concept school, Hyderabad

Class : Class 7

the correct answer is c

## Ans 77:

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sankalp
from
Gyan Bharti School, Saket, Delhi

Class : Class 7

Anwer is C. 1 is a factor of every number and not the multiple

## Ans 79:

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Aradhya tomar
from
NCS Porbandar, Porbandar

Class : Class 5

The question is wrong....1 can be factor of all natural numbers not the multiple

## Ans 80:

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A Ramakrishna Rao
from
D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar

Class : Class 6

THERE IS NO SUCH NUMBER. THE SMALLEST MULTIPLE OF A NUMBER IS THE NUMBER IT SELF.

## Ans 81:

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Mahati p
from
cornerstone the public school, deepthi sreenagar colony hyderabad

Class : Class 6

The answer is C.

## Ans 83:

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Tashvee Sahoo
from
NPS International, Singapore

Class : Class 5

The ans is D because the number that is the multiple of every number is the number itself. Ex- 6 x 1 = 6

## Ans 84:

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Dhwani Rautela
from
NPS Gottigere, BANGALORE

Class : Class 6

The answer is C because 1 is the factor of every number, not the multiple. And 0 is the multiple of every number but it is not a natural number

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Monika Bhattacharya
from
the lexicon international school kalyaninagar, pune

Class : Class 5

None of the above- option is the correct answer. I think we should report it as error instead of discussing on forum so much. See SOF's answer is wrong so there they shown no solution. They themselves know their mistake but not correct it. There are many mistakes such as this. I think next time SOF improves.

## Ans 88:

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BIREN KARMAKAR
from
Kendriya Vidyalaya AFS ARJANGARH, NEW DELHI

Class : Class 6

Correct answer should be C. 1 is a natural number but it's not multiple of every number, rather it's factor of every number.

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## Ans 93:

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Darshini Chakravarty
from
Pinnacle High International School, Mumbai

Class : Class 4

The answer should be C. If it was a whole number, then it would have been 0. The question seems to be framed wrongly. The question should have been, " The natural number which is a factor of every number is 1". The answer is wrong.

## Ans 94:

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ABARNAA SAI
from
THE DELHI PRIVATE SCHOOL, Dubai

Class : Class 7

The answer is C because 1 is a natural number but not a multiple of every number and 0 is a multiple of every number but it is not a natural number

## Ans 95:

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Arnav Raj Sharma
from
GEMS International School the ultra master mega, Gurgaon

Class : Class 1

every number multiplyied by 0 is 0 so its (A)

## Ans 96:

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Sai Srivardhan
from
National Public School Gopalapuram , Chennai

Class : Class 8

How is the answer "B".IF THE QUESTION WAS "a number which is a factor of every number, then the answer is b because all numbers can be multiplied by one .but in this question the correct answer is c

## Ans 97:

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Shweta Garg
from
Vibgyor high, Vadodara

Class : Class 8

SOF should correct the answer it can create confusion among the kids 0 is a whole number, 1 is factor of every number so definitely there is no such number whose multiple is 1

## Ans 98:

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Advika Narkar
from
VIBGYOR High Airoli, Navi Mumbai

Class : Class 5

Master Answer Admin from Revisewise Noida please resolve this doubt and provide explanation. Answer should be C because 0 and 1 can never be multiple of any number. 0 multiplied by any number is 0 only, thus it can never be a multiple. 1 multiplied by any number is the number itself, but any number multiplied by another number is not 1, thus even 1 is not the answer. By choosing Opt. D we deny the fact that there is no such SPECIFIC number (which means we say there is a specific number). So ONLY Option C is correct.Correct, we must report this as error because our doubt has not yet been clarified. SOF PLEASE PLEASE help

## Ans 99:

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## Ans 101:

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Dhruv Samavedula
from
Euroschool Whitefield, Bengaluru

Class : Class 7

The answer is a because 0 is a natural number and is a multiple of every number. for eg- 19*0

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swastik Biswal
from
St Joseph Convent Higher Secendary school, Sambalpur

Class : Class 5

just clearing, 0 is correct but it is not a natural number tho. i think the answer should be C and why this fu*kin trainer shows B ?????

## Ans 106:

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Vanishi Jain
from
Delhi Public School , Noida

Class : Class 5

It should be d . Please tell us master admin

## Ans 107:

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SHRADHA MOHAPATRA
from
APEEJAY SCHOOL, New Delhi

Class : Class 5

MASTER ANSWER !!!!!!!!!!!!! ANS IS C.......... .

## Ans 108:

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Soham Dighe
from
DAV Boys Senior Secondary School Gopalapuram Chennai, Chennai

Class : Class 6

The answer should be C because 1 is multiple of only 1, not any other number but, it is a factor of every number

## Ans 109:

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Dev
from
APS Khadakwasla, Pune

Class : Class 7

zero is not a natural number, so A is incorrect. The correct answer must be D

## Ans 110:

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Amritanshu Priyadarshi
from
Stewart school, Cuttack

Class : Class 5

the question is the wrongthe correct option is cand the smallest multiple of every number is the number it itself

## Ans 111:

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Adit Nanda
from
DPS, Bangalore

Class : Class 7

CORRECT ANSWER IS D BECAUSE THE BECAUSE THE SMALLEST MULTIPLE OF A NUMBER IS THE NUMBER ITSELF.

## Ans 113:

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SHRADHA MOHAPATRA
from
APEEJAY SCHOOL, New Delhi

Class : Class 5

ans B if you don't know then scratch your brain