" (i) "a=21,b=18

Verify a-(-b) = a+b for the following values of a and b. :- a=21, b=18

Verify a-(-b) = a+b for the following values of a and b. a = 21, b = 18

Check whether the following pair of numbers are co-primes (Relatively primes). a) 17, 21, b) 8, 18, c) 29, 37, d)9, 33

Find the odd man out : 10, 14, 16, 18, 21, 24, 26 . Options are (a)26 (b) 24 (c) 21 (d) 18.

The H.C.F. of 204, 1190 and 1445 is (a) 17 (b) 18 (c) 19 (d) 21

The results of 21 football matches (win, lose or draw) are to the predicted. The number of forecasts that contains exactly 18 correct results is (i) .^21C_3(2^18)^ (ii) .^21C_3(2^3) (iii) (3^21)-2^18 (iv) .^21C3(3^21)-2^18

Find the mode of the following 20,21,15,18,21,17,21

Vapour pressure of pure liquid A & B are 21 & 18 mm of Hg respectively. Determine vapour pressure of a solution obeying Raoult's law containing 1 mole of A& 2mole of B

Which term of the AP 21, 18, 15, … is -81?