Isn't question 12 of IMO sample wrong?
Ans 1:
Class : Class 10
No the correct answer is 45 And solution is
Let the No. be X then
multiply it by 308 that is 308X
multiply it by 0.10 that is 30.8X
Divide it by 3 that is 10.26X
So
10.26X(Approx)=462
X =462/10.26
X =45.02
X =45(approx)
Ans 2:
Class : Class 8
I guess the questions are jumbled.I am asking about the question in which a fence is to be put.