Number of faces of a hollow hemisphere
( A ) 3
( B ) 0
( C ) 2
( D ) 1

The number of surfaces of a hollow cylindrical object is (a) 1 (b) 2 (c) 3 (d) 4

The number of faces of a triangular pyramid is 3 (b) 4 (c) 6 (d) 8

Which number will appear at the bottom face in last cube? (A) 3 (B) 4 (C) 6 (D) 1

Let a,b,c be three distinct positive real numbers then number of real roots of ax^2+2b|x|+c=0 is (A) 0 (B) 1 (C) 2 (D) 4

If C={z:Re[(3+4i)z]=0} thenthe number of elements in the set BcapC is (A) 0 (B) 1 (C) 2 (D) none of these

The mean of the numbers obtained on throwing a die having written 1on three faces,2 on two faces and 5 on one face is (A) 1 (B) 2 (C) 5 (D)

A sphere of maximum volume is cut out from a solid hemisphere of radius r. The ratio of the volume of the hemisphere to that of the cut out sphere is: (a) 3:2 (b) 4:1 (c) 4:3 (d) 7:4

If a+b+c =0, then the value of frac(a^2 +b^2+c^2) (a^2 - bc) is (A) 0 (B) 1 (C) 2 (D) 3

The ratio of the total surface area of a sphere and a hemisphere of same radius is 2:1 (b) 3:2 (c) 4:1 (d) 4:3

The numbers 1, 3, 5, ….. 25 are multiplied together. The number of zeros at the right end of the product is 0 (b) 1 (c) 2 (d) 3