Vivek Gulavani
from
Innisfree House School, Bengaluru

Subject :IMO Class : Class 7

Simplify :

A

B

C

D

The answer is 'D'. But sof olympiad trainer has marked my answer wrong and given 'C' as the answer. Could someone please tell me how the answer is 'D'.

## Ans 2:

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## Ans 4:

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Rohan Tomar
from
Shishukunj, Indore

Class : Class 5

answer should be b. Can you please recheck the calculation ?