Which is the closest approximation to the product 0.3333 x 0.25 x 0.499 x 0.125 x 24 ?

Find the value of X :
0.009/X = 0.01

The least among the following is:

In the following expression, there are two missing digits: * and #. Find the value of *.
1*5#4 / 148 = 78

What is the value of (-5)(4)(2)(-1/2)(3/4) ?

If x * y = x2 + y2 - xy, then the value of 9 * 11 is:

If a = 0.1039, then the value of (4a2 - 4a + 1)1/2 + 3a is:

If a, b, c, d, e are five consecutive odd numbers, their average is:

(x % of 932) + 30 = 309.6
Find x.

Which of the following multipliers will cause a number to be increased by 29.7% ?