`(-1)51` is equal to (a) `-1` (b) `1` (c) `51` (d) `-51` .​

((1.49xx14.9-0.51xx5.1)/(14.9-5.1)) is equal to (a) 0.20 (b) 2.00( c) 20 (d) 22 is equal to

If A=[(2,-3),(-4,1)] then (3A^2+12A) is equal to (a) [(72,-84),(-63,51)] (b) [(51,63),(84,72)] (c) [(52,84),(63,72)] (d) [(72,-63),(-84,51)]

51-: ____ =-51

The value of sum_(r=0)^(50)(-1)^(r)(s^(50)C_(r))/(r+2) is equal to (1)/(50xx51) b.(1)/(52xx50) c.(1)/(52xx51) d.none of these

If x^(51)+51 is divided by x+1, the remainder is 0(b)1(c)49(d)50

9^(3.04):9^(2.04) is equal to 1:9b.3:2c.9:1d .76:51

If A =1and PAT=37, then PART = (A) 55 (B) 52 (C) 51 (D) 54

One hundred identical coins,each with probability p, of showing up heads are tossed once.If 0

If A_(1), A_(2), A_(3),....A_(51) are arithmetic means inserted between the number a and b, then find the value of ((b + A_(51))/(b - A_(51))) - ((A_(1) + a)/(A_(1) - a))

Let bi gt 1 for i = 1, 2, ...., 101 . Suppose log_e b_1, log_e b_2, ...., log_e b_101 are in Arithmetic Progression (A.P.) with the common difference log_e 2 . Suppose a_1, a_2, ....., a_101 are in A.P. such that a_1 = b_1 and a_51 = b_51 . If t = b_1 + b_2 + .... + b_51 and s = a_1 + a_2 + .... + a_51 , then .