Subject :IMO Class : Class 1

Subject :IMO Class : Class 5

## Ans 2:

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?

## Ans 3:

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 7:

Class : Class 5

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

## Ans 8:

Class : Class 5

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 9:

Class : Class 6

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

## Ans 12:

Class : Class 7

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

## Ans 15:

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.

## Ans 16:

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 18:

Class : Class 6

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

## Ans 19:

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

## Ans 22:

Class : Class 5

The question is wrong. It should be: The natural number which is a factor of every number.

## Ans 23:

Class : Class 8

Answer will be 0 because 2*0=0,5653453*0=0,4765868756733465358678757646535436536854786*0=0

## Ans 25:

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 26:

Class : Class 8

in fact C should be the correct answer as there can not be any such number. By taking D as the correct answer we are ,at the same time, denying the statement given at C.

## Ans 27:

Class : Class 5

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 33:

Class : Class 6

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 35:

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 43:

Class : Class 7

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

## Ans 47:

Class : Class 5

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

## Ans 56:

Class : Class 5

MY FIRST COMMENT WAS WRONG ... I WANTED TO WRITE -THE WHOLE NUMBER THAT IS THE FACTOR OF EVERY NUMBER IS _______.

## Ans 59:

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 60:

Class : Class 6

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

## Ans 61:

Class : Class 8

the answer can't be B as every whole number is the multiple of 1 but 1 is not the multiple of any number.

## Ans 65:

Class : Class 6

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

## Ans 67:

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 69:

Class : Class 6

Answer should be corrected, 1 is factor of any number, but not multiple of every number. Correct answer is C.

## Ans 70:

Class : Class 5

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

## Ans 73:

Class : Class 5

THE ANSWER IS WRONG IF THE ANSWER IS CORRECT ,THEN THE QUESTION MUST BE -THE WHOLE NUMBER THAT IS THE MULTIPLE OF EVERY NUMBER IS ___.

## Ans 74:

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.

## Ans 76:

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.

## Ans 78:

Class : Class 5

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 82:

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??

## Ans 84:

Class : Class 5

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.

## Ans 87:

Class : Class 5

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 90:

Class : Class 5

it should be c as 0 is a whole number while 1 is a natural number but it is a factor of every number not a multiple.

## Ans 91:

Class : Class 3

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

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Subject :IMO Class : Class 3

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Subject :IMO Class : Class 2

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Subject :IMO Class : Class 2