Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters from the given alternatives.

The  sum  of  three  prime  numbers  is  100.  If  one  of  them  exceeds  another  by  36,  then  one  of  the numbers is

Find a two digit number which is exactly three times the product of its digits?

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

If (1 / 3.197) = 0.3127, find the value of (1 / 0.0003197).

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is: