International Maths Olympiad Forum By SOF Olympiad Trainer - Page 624
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Aarti golyan from Indian school sohar, sohar
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

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rosedeep from DPS, Amritsar
Subject :IMO    Class : Class 3

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Pranav Arun from garib school, Mumbai
Subject :IMO    Class : Class 5

Ans 1:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 6
please,clear the photo

Ans 2:

Vibhu Tanwar from ST.Teresa School, Ghaziabad
Class : Class 7
Answer is part B 3500

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K Gopal from Navrachana School Sama, Vadodara
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

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

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Pratyush Chandra from Bal Bhavan Public School, New Delhi
Subject :IMO    Class : Class 8

Ans 1:

Aaveg from Somerville school, Noida
Class : Class 10
Yeah it should be c answer given is wrong

Ans 2:

Vikas Tekriwal {rijul and souham tekriwal] from jayshree periwal international school {formely known as sbsis}, Jaipur
Class : Class 8
the answer is c - 39

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y rahaav karthikeyan from the indian public school, TIRUCHENGODE
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
It is 1.

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Pratyush Chandra from Bal Bhavan Public School, New Delhi
Subject :IMO    Class : Class 8

Ans 1:

Kajal Rawat from ,
Class :
B

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Pratyush Chandra from Bal Bhavan Public School, New Delhi
Subject :IMO    Class : Class 8

Ans 1:

Anidroid ,Aniruddha from Modern DPS, Faridabad
Class : Class 8
Yes ,I also have felt some answers given in this site are wrong.

Ans 2:

Asmi Raniga from Indian School Ghubra, Muscat
Class : Class 8
I agree, hundred's digit place value is 100 ten's digit place value=10 unit's place=1 2x+1= 100 x (2x+1) = 200x + 100 x-1= 10 x (x-1) = 10x - 10 x= x x 1 = 1x thus the number = 200x +10 x + 1x +100 -10 = 211x +90.

Ans 3:

Bindeshwari Prasad from ,
Class : Class 8
it will be b only

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Pratyush Chandra from Bal Bhavan Public School, New Delhi
Subject :IMO    Class : Class 8

Ans 1:

Abirami from National Public School, Chennai
Class : Class 9
A : 3

Ans 2:

tanishka Bondhare from Saraswati international school , Hingoli
Class : Class 8
explain me

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Mehak Narang from Bluebells School International, New Delhi
Subject :IMO    Class : Class 5

Ans 1:

KRITHYA GUPTA from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 7
it says how is RAHUL related to the girl

Ans 2:

Pranav Arun from garib school, Mumbai
Class : Class 8
my grandfather's only son is father daughter of that is rahul's father's daughter is sister for rahul for the girl is brother

Ans 3:

Vighnesh Choudhary from Vibgyor high, Mumbai
Class : Class 5

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