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Sounak halder from Kendriya Vidyalaya Cossipore, kolkata
Subject :IMO    Class : Class 8

Ans 1:

Soham Shashank Munnangi from Meridian School for Boys and Girls, Hyderabad
Class : Class 8

Ans 2:

Soham Shashank Munnangi from Meridian School for Boys and Girls, Hyderabad
Class : Class 8
This question does not have enough information.

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OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :IMO    Class : Class 5

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Prisha Jora from Adani Public School, Mundra
Subject :IMO    Class : Class 3

Ans 1:

Shreeda Dewangan from Delhi public school , Raipur
Class : Class 4
answer is c

Ans 2:

Nishant Jawalkar from SNBP School Rahatani, Pune
Class : Class 3

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Divisha Agarwal from DPS Noida, Noida
Subject :IMO    Class : Class 6

Ans 1:

Atanu Dutta from Salt lake School, kolkata
Class : Class 4

Ans 2:

A from Amu, Mumbai
Class : Class 6
30

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sujata patel from Podar International, Pune
Subject :IMO    Class : Class 5

Ans 1:

Pratham Dave from GNS, Bangalore
Class : Class 6
C

Ans 2:

rethish from Veltech, Avadi
Class : Class 5

Ans 3:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura
Class : Class 6
C

Ans 4:

Koustavi Chakraborty from DELHI PUBLIC SCHOOL, PUNE
Class : Class 5
THE CORRECT ANSWER IS OPTION C

Ans 5:

rethish from Veltech, Avadi
Class : Class 5
pls explain this question

Ans 6:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6

Ans 7:

rethish from Veltech, Avadi
Class : Class 5

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Yash Suresh Karwa from Prince Academy, PARBHANI
Subject :IMO    Class : Class 4

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Samman Poddar from St Joseph Convent school , Sambalpur
Subject :IMO    Class : Class 6

Ans 1:

Aditeya Goyal from Delhi Public School Chandigarh, Chandigarh
Class : Class 6

Ans 2:

Mudit garg from La blossoms school, Jalandhar
Class : Class 7

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Aditya Sai Vemparala from Amanora school, Pune
Subject :IMO    Class : Class 7

Ans 1:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 7

Ans 2:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 8
No answer is 2000 sorry

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Aditya Sai Vemparala from Amanora school, Pune
Subject :IMO    Class : Class 7

Ans 1:

Shourya Mundra from Lotus Valley International School NOIDA, Ghaziabad
Class : Class 8
C is correct

Ans 2:

Yash from Sri kumarans educational council, Bangalore
Class : Class 9
c is correct

Ans 3:

Rick Banerjee from Calcutta Boys School, Kolkata
Class : Class 8

Ans 4:

VIBHU SHARMA from Mount St Mary, NEW DELHI
Class : Class 8
C is correct

Ans 5:

Shreeya Amol Tade from English Medium School , Pune
Class : Class 9

Ans 6:

dhirendra from Shri O P Jindal Vidya Niketan, Mundra Kutcch
Class : Class 4
option C,154 is correct answer

Ans 7:

Sampurna Mandal from DAV Public School Jagganath Talcher, Angul
Class : Class 8
Here the given answer option D is wrong . The correct answer is option C.

Ans 8:

Bhakti from DPS Durg, Bhilai
Class : Class 7
C is the correct answer.

Ans 9:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
c is correct

Ans 10:

Aniket kumar from kendriya vidyalaya, Delhi
Class : Class 8
C for corecct

Ans 11:

Hemant Kumar Arora from Rockwell International School, Hyderabad
Class : Class 8
c is correct308-154=154 you have done this308 154=462hence option c is correct

Ans 12:

Shreeya Amol Tade from English Medium School , Pune
Class : Class 9
Option C is the answer

Ans 13:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
c is correct

Ans 14:

harshit kapoor from harshit kapoor, Amritsar
Class : Class 7

Ans 15:

POORVA MEHROTRA from STUDY HALL LUCKNOW, Lucknow
Class : Class 8

Ans 16:

Ditya Goel from Presidium, Gurgaon
Class : Class 8
Answer is (C)Diameter of bigger circle=28 cmradius=28/2=14 cmArea of semicircle=1/2*22/7*14*14=4312/14=308 sq.cm2 semicircle=circleArea=22/7*7*7=1078/7=154 sq.cmArea left=308-154=154 cm

Ans 17:

SOUHARDYA SARKAR from PATHA BHAVAN HIGH SCHOOL, kolkata
Class : Class 5
option third is right

Ans 18:

kushagraghuryani2016 from DPS, New Delhi
Class : Class 8
c is correct

Ans 19:

Akshara from NPS, Bengaluru
Class : Class 7
Yes , i agree ...Option c is the ans.

Ans 20:

Shourya Mundra from Lotus Valley International School NOIDA, Ghaziabad
Class : Class 8

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Sayudha Biswas from k.v.s kailashahar, Kailashahar
Subject :IMO    Class : Class 8

Ans 1:

yagvalakya from B V B Vidyashram pratap nagar, JAIPUR
Class : Class 9
√3844=62 Hence the answer is c

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