40/40#!#Most Important M.C.Q & Subjective Questions

P is 40 m South-west of Q. R is 40 m South-East of Q. Then, R is in which direction of P?

|| Aromatic hydrocarbon-previous year question ex-2 Q-1 to 40 ||

|| Aromatic hydrocarbon-previous year question ex-2 Q-40 to 64 ||

Q 21 to 40

Q 16 to 40

Q. 18 to 40

The sum 2 xx .^(40)C_(2) + 6 xx .^(40)C_(3) + 12 xx .^(40)C_(4) + 20 xx .^(40)C_(5) + "…." + 1560 xx .^(40)C_(40) is divisible by

The sum ""^(40)C_(0) + ""^(40)C_(1)+""^(40)C_(2)+…+""^(40)C_(20) is equal to