In a shop there are five types of ice-creams available. A child buys six ice-creams. Statement -1: The number of different ways the child can buy the six ice-creams is 10 C 5 . Statement − 2 : The n

Question

In a shop there are five types of ice-creams available. A child buys six ice-creams. Statement -1: The number of different ways the child can buy the six ice-creams is $^{10} C_{5}$ . Statement $- 2$ : The number of different ways the child can buy the six ice-creams is equal to the number of different ways of arranging $6 A^{’s}$ and 4 B's in a row.

Options:

Answer:

A

Solution:

$x_{1} + x_{2} + x_{3} + x_{4} + x_{5} = 6 5 + 6 - 1 C_{5 - 1} =^{10} C_{4}$

TestHub · Accepted Answer

​ x 1 ​ + x 2 ​ + x 3 ​ + x 4 ​ + x 5 ​ = 6 5 + 6 − 1 C 5 − 1 ​ = 10 C 4 ​ ​

Mathematics - Permutation & Combination Question with Solution | TestHub

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