Maina
from
KIS, Pune

Subject :IMO Class : Class 5

Find the missing number, if same rule is followed in all the figures.

A10

B28

C71

D140

please explain

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PS Gour
from
Chirec international schoo The best 30 years and beyond, Hyderabad

Class : Class 7

could you give me the working of the Q

## Ans 5:

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Mihir Rampally
from
VIBGYOR HIGH BALEWADI, Pune

Class : Class 7

Calculate squares of all numbers and then add them up. 7x7=49 2x2=4 1x1=1 49 4 1=54.

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## Ans 9:

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## Ans 10:

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Harsh Kumar
from
Maharishi Vidya Mandir, Guwahati

Class : Class 8

1st figure: 22 72 12 = 542nd figure: 42 82 72 = 1293rd figure: ? = 32 92 52 = 115