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

In the given figure, the area of the shaded portion is


A308 cm2
B462 cm2
C154 cm2
D150 cm2


Answer is c

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

Shreeya Amol Tade from English Medium School , Pune
Class : Class 10
Option C is the answer

Ans 5:

Shreeya Amol Tade from English Medium School , Pune
Class : Class 10

Ans 6:

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

Ans 7:

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

Ans 8:

Nila Pillai from Chennai public School, Chennai
Class : Class 6

Ans 9:

AYUSHMAN JAY from KV1 school, KANPUR
Class : Class 7
Option C is correct ,as , area of big semi circle = 14 * 14 * 22/(7*2) = 14 * 22 = 308 then we will subtract the area of unshaded 2 semi circle(which is a whole circle ), = 7 * 7 * 22/7 = 7*22 = 154 ,Hence , area of shaded portion is , = area of big semi circle - are of two small semi circle = 308 - 154 = 154 sq. cm

Ans 10:

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

Ans 11:

Akshara from NPS, Bengaluru
Class : Class 8
Yes , i agree ...Option c is the ans.

Ans 12:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9

Ans 13:

muskan kapoor from muskan kapoor, Amritsar
Class : Class 8

Ans 14:

Archishman Pal from Sri Krishna Mission School, Agartala
Class : Class 8

Ans 15:

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 16:

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

Ans 17:

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

Ans 18:

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 19:

Devavrat Sharma from Podar International School Powai, Mumbai
Class : Class 7
its C. as 1/2 x 22/7 x 196 - 22/7 x 49 = 154 cm2

Ans 20:

Prisha Hemchandra Lokhande from NPS Whitefield, Bangalore, Bangalore
Class : Class 8
I think C is the correct answer... 154

Ans 21:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9
C is correct

Ans 22:

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

Ans 23:

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

Ans 24:

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 25:

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

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