Evaluate `.^19C_18+^19C_17`

Evaluate i ^19

Evaluate : 19-|-13|

Evaluate C(19,17)+ C(19,18)

Evaluate the 27.85 - 19.61

If a cricket team of 11 players is to be selected from 8 batsmen, 6 bowlers, 4 all-rounder and 2 wicket keepers, then Number of selection when 2 particular batsmen dont want to play when a particular bowler will play is (A) .^(17)C_10 + ^(19)C_11 (B) .^(17)C_10 + ^(19)C_11 + ^(17)C_11 (C) . ^(17)C_10 + ^(20)C_11 (D) . ^(19)C_10 + ^(19)C_11

Evaluate |{:(13,16,19),(14,17,20),(15,18,21):}| .

Evaluate : (-1)-(-19)

Evaluate: (19-6)-[17-(34-28)-17]

Evaluate the sum: 12/(19)+11/(19)

If ^18C_15+2 ^18C_16+^17C_16+1=^nC_3 , then n=