Aditya Sai Vemparala
from
Amanora school, Pune

Subject :IMO Class : Class 7

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

A308 cm^{2}

B462 cm^{2}

C154 cm^{2}

D150 cm^{2}

Answer is c

## Ans 1:

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## Ans 4:

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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 5:

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## Ans 8:

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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 10:

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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 11:

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dhirendra
from
Shri O P Jindal Vidya Niketan, Mundra Kutcch

Class : Class 4

option C,154 is correct answer