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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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 5:
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Ans 7:
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Ans 8:
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PnP
from
Vibgyor, Bengalore
Class : Class 6
Sof really doesn't know addition true, but i am sure it is just a printing mistake
Ans 10:
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PnP
from
Vibgyor, Bengalore
Class : Class 6
Answer is 20 option b ,but there is a mistake in the solution, but final answer is c.
Ans 12:
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Advika Narkar
from
The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
SOF you don't know addition 12 9 = 21
Ans 14:
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Ans 20:
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Advika Narkar
from
The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
Actually ans IS C but you have given wrong explanation why.In the biggest triangle there are 5 triangles