Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

The third proportional of two numbers 4 and 28 is _______.

PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and PC = 11 cm, then what is the value (in cm) of PD?

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?

If x + y = 12 and x2 + y2 = 94, then xy is 

If a - b = 2 and ab = 15, then what is the value of a3- b3?