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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 1:

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 2:

ANIMESH BEHERA from TIMPANY, VISAKHAPATTNAM
Class : Class 3
Sof you don,t know addition 12 9=21

Ans 3:

ARYAN P from DPS E-CITY Bangalore, Bangalore
Class : Class 5
c

Ans 4:

Bhargavi Vaibhav Zade from R. S. MUNDLE ENGLISH SCHOOL, NAGPUR
Class : Class 7

Ans 5:

from DPS Greater Noida,
Class : Class 3
Right answer is A

Ans 6:

Tosani Ghosh from Kohana International School, Kawasaki
Class : Class 5

Ans 7:

Arvi from Isbe , Europe
Class : Class 7
The solution in the left side should be 8 triangles not 9.

Ans 8:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6

Ans 9:

Aanya paliwal from n h GOEL world school, RAIPUR
Class : Class 8

Ans 10:

prabhakar from xyz, patna
Class : Class 6

Ans 11:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6

Ans 12:

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 13:

Avantika Raj from Delhi Public School, Bengaluru
Class : Class 9

Ans 14:

Parth Kathuria from Kothari International School, Noida
Class : Class 4
Answer is C

Ans 15:

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 16:

Akshari Patil from VIBGYOR HIGH Marathalli, Marathalli
Class : Class 4

Ans 17:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Actually ans IS C but you have given wrong explanation why.In the biggest triangle there are 5 triangles

Ans 18:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
SOF you don't know addition 12 9 = 21

Ans 19:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6

Ans 20:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 6
the ans should be D

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