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Punita Ghosh from Billabong High International School, mumbai
Subject :NSO    Class : Class 3

There are 5 people in a room. Each people shook hands with each of the other only once. Find the total number of handshakes took place.

A 5
B 10
C 15
D 20


i can not solve this question .please help

Ans 1:

Joshua Edwin Desouza from DPS International, Singapore, Singapore
Class : Class 3

Ans 2:

Aditi Mahanti from DPS North Kolkata, Kolkata
Class : Class 3
It should be 10

Ans 3:

Manasvi pandey from Dps haldwani, Haldwani
Class : Class 3
How

Ans 4:

Aayansh Dhruv from Orchid The International, Bangalore
Class : Class 5

Ans 5:

Vivaan Kohli from Greenwood High International School, Bangalore
Class : Class 6

Ans 6:

Shubhra from DPS, Haridwar
Class : Class 4

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