Hello, AZHAR!

I must assume that you've been taught about Combinations

. . before you were assigned this problem.

Saqib buys 3 cows, 2 pigs and 4 hens from a man who has 6 cows, 5 pigs and 8 hens.

How many choices does the Saqib have?

He buys 3 of the 6 cows: . choices.

He buys 2 of the 5 pigs: . choices.

He buys 4 of the 8 hens: . choices.

Therefore, he has: . choices.