Question

A playground is being designed where children can interact with their friends in certain combinations.

If there is 1 child, there can be 0 interactions.
If there are 2 children, there can be 1 interaction.
If there are 3 children, there can be 4 interactions.
If there are 4 children, there can be 9 interactions.

How many interactions will there be for 6 children?

A) 11
B) 16
C) 25
D) 36

Answer 1

Im pretty sure it's 25

Answer 2

how did u do that @savannawhiddenUSMC

Answer 3

yes it's 25

Answer 4

when u go through reality this isn't possible although the function is such that the ans gives 25 @shinalcantara nd @savannawhiddenUSMC

Answer 5

In real the total handshakes would be 6*5/2 = 15 handshakes

Answer 6

for this absurd ques ...
1 people 0 hskes..
2 people 1*1 =1
3 people 2*2 =4
4people 3*3 =9
5 people 4*4 =16
6 people 5*5 =25

Answer 7

trying to figure out the pattern of the problem, we will get the interaction to be (x-1)^2 where x is the number of children

Answer 8

So Im right? ..

Answer 9

yep

Answer 10

yep u are don't just do it in real life u'll fail in counting @savannawhiddenUSMC

Answer 11

for this question it was ohk

Answer 12

thanks :) @princeharryyy

Answer 13

u r welcome @savannawhiddenUSMC