( 10 mT. sin x| dx is-(a) 20(c) 10(b) 8(d) 18

int_pi^(10pi) |sinx|dx is equal to (A) 20 (B) 8 (C) 10 (D) 18

The number of cubes of side 3 cm that can be cut from a cuboid of dimensions 10 c m\ x\ 9c m\ x\ 6c m , is (a) 9 (b) 10 (c) 18 (d) 20

int_(0)^(10 pi)(|sin x|+|cos x|)dx is equal to (A) 20(C)10(B)40(D) none of these

If log_(10) sin x+log_(10)cos x=-1 and log_(10)(sinx+cosx)=(log_(10)n-1)/2 then the value of n is (a) 24 (b) 36 (c) 20 (d) 12_

If I_(10) = int_0^(pi/2) x^(10) sin x dx then I_(10) + 90I_(8) =

Which of the following are co-primes? (a) 8, 10 (b) 9, 10 (c) 6, 8 (d) 15, 18

If 10^x=64 , what is the value of 10^(x/2+1) ? (a) 18 (b) 42 (c) 80 (d) 81

2.5(a) 8.10 (b) 8.51 (approx.) (c) 18.05 (d) 80.50 (approx.)

Show that : int sin 7 x sin 3x dx = 1/8 sin 4x - 1/20 sin 10 x + c

Which of the following are co-primes? 8, 10 (b) 9, 10 (c) 6, 8 (d) 15, 18