NIMCET 2020 Question Paper with solutions

Question : 7 of 120

Marks: +1, -0

There is a young boy's birthday party in which 3 friends have attended. The mother has arranged 10 games where a prize is awarded for a winning game. The prizes are identical. If each of the 4 children receives at least one prize, then how many distributions of prizes are possible?

Validate

Solution:

No. of non zero solution of the equation

x_1+x_2+x_3+....+x_r=n

^{n-1}C_{r-1}

Given,

A+B+C+D=10

^{10-1}C_{4-1}=^9C_3=84

Go to Question:

Prev Question

Next Question