In how many ways a team of 11 players can be selected from 18 players if out of 18 players, 2 player can play only as wicket keeper

(Q). In how many ways a team of 11 players can be selected from 18 players if out of 18 players, 2 player can play only as wicket keeper?
Solution:- 

From 2 wicket keepers only 1 is selected & this can be done in ²C₁ ways.
And remaining 10 players can be selected from remaining 16 players in ¹⁶C₁₀ ways.
So total number of ways = ²C₁×¹⁶C₁₀ Answer