The value of `10^3+11^3+12^3+………..+100^3` is equal to (A) 25500475 (B) 25500000 (C) 25000000 (D) none of these

((-3)/2)^(-1) is equal to (a) 2/3 (b) 2/3 (c) 3/2 (d) none of these

1+3/2+5/2^2+7/2^3+……..to oo is equal to (A) 3 (B) 6 (C) 9 (D) 12

|-|-7|-3| is equal to (a) -7 (b) 7 (c) 10 (d) -10

If 1^2+2^2+3^2+n^2=1015 then the value of n is equal to (A) 13 (B) 14 (C) 15 (D) none of these

The value of 3/(25) is (a)1.2 (b) 0.12 (c) 0.012 (d) None of these

2+3/(10)+5/(100) is equal to (a)2.305 (b) 2.3 (c) 2.35 (d) 0.235

If A and B are square matrices of the same order and AB=3I, then A^-1 is equal to (A) 1/3 B (B) 3B^-1 (C) 3B (D) none of these

(2^3)^4 = (a) 2^4*3 (b) 2^3*4 (c) (2^4)^3 (d) none of these

The area {(x,y) : |x| ge y ge x^2} is equal to (A) 1/12 (B) 1/6 (C) 1/3 (D) none of these

The value of (z + 3) (barz + 3) is equivlent to (A) |z+3|^(2) (B) |z-3| (C) z^2+3 (D) none of these