International Maths Olympiad Forum By SOF Olympiad Trainer - Page 633
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om subham pati from Dps ranchi, Ranchi
Subject :IMO    Class : Class 9

Ans 1:

from , Gwalior
Class : Class 10
7 because it is having a matching shape with ? but but it is not having curvy edge.

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om subham pati from Dps ranchi, Ranchi
Subject :IMO    Class : Class 9

Ans 1:

Nirmal joshi from New Beersheba, Pithoragarh
Class : Class 9
Answer is 81 as you will add the multiples of 5 after each no. 6+5=11 11+10=21 21+15=36 36+20=56 56+25=81

Ans 2:

Rudra kumar from Jawahar Navodaya vidyalaya, Sherghati
Class : Class 9
6+5=11 ,11+10=21,21+15=36,36+20=56 next add 25 as by series than 56+25=81

Ans 3:

Nirmal joshi from New Beersheba, Pithoragarh
Class : Class 9
Answer is 81 as you will add the multiples of 5 after each no. 6+5=11 11+10=21 21+15=36 36+20=56 56+25=81

Ans 4:

Keshav Singla from Delhi Public School , Bathinda
Class : Class 5
Answer is 81 as we can see there is difference in numbers in table of 5

Ans 5:

Priyanshu from S. D. Memorial Sr. Sec. School, Gurgaon
Class : Class 9
Answer will be 81 because the series continues with a progression of table of 5 6+5=11 11+10=21 21+15=36 36+20=56 Then the next number which will be added is 25 then our series will be 56+25=81

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om subham pati from Dps ranchi, Ranchi
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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Sarbari Pal from DPS FARIDABAD, Faridabad
Subject :IMO    Class : Class 6

Ans 1:

Carrie Goyal from OPBMS, Mandi Gobindgarh
Class : Class 7
the answer is d because rhombus has no line of symeetry

Ans 2:

Savya Meattle from Vasant Valley School, New Delhi
Class : Class 9
but the problem is that a) says a parallelogram has no lines of symmetry, but very often it does.

Ans 3:

RAUNAK DASGUPTA from HARIYANA VIDYA MANDIR, KOLKATA
Class : Class 6
D

Ans 4:

Neil Pathak from GD Goenka Public School, Paschiim Vihar, New Delhi
Class : Class 9

Ans 5:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7
Square is also a parallelogram and it does have not 1 or 2, but 8 lines of symmetry!

Ans 6:

ARHAN CHAPLOT from DPS Noida, NOIDA
Class : Class 10

Ans 7:

fadeel khan from gear innovative international school, Bengaluru
Class : Class 9
the answer is d because a rhombus has only two lines of symmetry

Ans 8:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 10

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Saharsh Goud from Delhi Public School Bangalore East, Bengaluru
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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Lavitra Dhoot from Springdales, Dubai
Subject :IMO    Class : Class 1

Ans 1:

anu from Haralur, Bengaluru
Class : Class 5
C

Ans 2:

ayush kumar from dps noida, delhi
Class : Class 6

Ans 3:

atharva mahadeo ghuge from Podar international school, Aurangabad
Class : Class 7

Ans 4:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Figures in options A, B and D are divided into two equal parts.

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Yes, it is.

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Tanishka from Novel International School,Pune, Pune
Subject :IMO    Class : Class 3

Ans 1:

Soham Das from St. Joseph's School, Jiaganj
Class : Class 7
answer is c.

Ans 2:

neena padhy from sai international school, Bhubaneswar
Class : Class 3
it was tricky

Ans 3:

SS from meridian, hyderabad
Class : Class 5

Ans 4:

Nihira Tiwari from Delhi public school electronic city, Bengaluru
Class : Class 6

Ans 5:

Utsavi Priya from DPS RUBY PARK, KOLKATA
Class : Class 8
Yeah it was tricky

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

Ans 7:

PnP from Vibgyor, Bengalore
Class : Class 6
it needed a lot of attention but the correct answer is c cause is that the question asked NOT EMBEDDED

Ans 8:

Nihira Tiwari from Delhi public school electronic city, Bengaluru
Class : Class 6
It was not tricky..... it was sooooo easy

Ans 9:

Prasanna Hegde from Vibgyor High Horomavu, BENGALURU
Class : Class 5
It is tricky but the answer is C

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Ojas Golyan from Indian school Sohar, Sohar
Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 2:

arnav raj sharma from gulibulium school, new york
Class : Class 8
(A)

Ans 3:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
Class : Class 10
The correct answer is A.

Ans 4:

Shlok Deshpande from Saupin school, Chandigarh
Class : Class 8
the answer is a

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Mannat Verma from Vivek High School , Chandigarh
Subject :IMO    Class : Class 4

Ans 1:

IAMLOST from ABC, Pune
Class : Class 8
please tell easy method to solve

Ans 2:

Ayansh from Billabong High International , Mumbai
Class : Class 4
this can be solved.c-y=20; c=y 20B-c=70; B=c 70=y 20 70=y 90B c y=320; y 90 y 20 y=3203y 110=320y=70

Ans 3:

Arav from sms, jaipur
Class : Class 6
Very Very Confusing Make It In A Simpler Way So That It's understandable , Please

Ans 4:

Panchi Kalita from Delhi Public School, Duliajan
Class : Class 5
please do it in a simple way.

Ans 5:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 6:

Arya Prabhughate from Narayana E Techno School, NALASOPARA
Class : Class 8
very confused. please tell a simple way

Ans 7:

SUPRIT RANJAN RAKSHIT from O P JINDAL SCHOOL, Angul
Class : Class 9
please explain the simplest method for solving this problem

Ans 8:

Ira Agrawal from Sancta Maria International School, Hyderabad
Class : Class 3
I’m so confused

Ans 9:

Prahit tiwari from Chrysalis high varthur bangalore, Bangalore
Class : Class 4
i am so confused

Ans 10:

Krisha J patel from L P Savani Riverside Eng School, Surat
Class : Class 6
tell easy method to solve

Ans 11:

basant raj from delhi public school, gaya
Class : Class 4

Ans 12:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
the answer is a 70g.

Ans 13:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is A

Ans 14:

Siddarth Rastogi from Greenwood High Int'l School, Bangalore
Class : Class 5
yes

Ans 15:

Arya Prabhughate from Narayana E Techno School, NALASOPARA
Class : Class 8

Ans 16:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
check the answers for the question [simplest way]

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Charan Katyal from Pathseekers, Amritsar
Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

Ans 2:

sachet from sos, gadchiroli
Class : Class 6

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