sanjana
from
NARAYANA E TECHNO , Chennai

Subject :IMO Class : Class 3

How many triangles are there in the given figure?

A18

B19

C20

D21

so hard

## Ans 2:

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PnP
from
Vibgyor, Bengalore

Class : Class 3

Answer is 20 option b ,but there is a mistake in the solution, but final answer is c.

## Ans 5:

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Advika Narkar
from
VIBGYOR High Airoli, Navi Mumbai

Class : Class 5

SOF you don't know addition 12 9 = 21

## Ans 6:

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Avni Narayan
from
The Foundation School, Bangalore

Class : Class 3

There is a mistake.9 4 5 1 2=21. The 9 should have been 8.Then only 20 will come.

## Ans 8:

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## Ans 9:

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## Ans 10:

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PnP
from
Vibgyor, Bengalore

Class : Class 3

Sof really doesn't know addition true, but i am sure it is just a printing mistake

## Ans 11:

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Advika Narkar
from
VIBGYOR High Airoli, Navi Mumbai

Class : Class 5

Actually ans IS C but you have given wrong explanation why.In the biggest triangle there are 5 triangles