Quantitative Aptitude - Arithmetic Ability Questions

Identified the odd one from the list below.

The square root of 27225 is

ΔABC is similar to ΔDEF. Length of AB is 12 cm and length of the corresponding side DE is 8 cm. What is the ratio of Perimeter of ΔABC : Perimeter of ΔDEF?

45 - [38 - {60 / 3 - (6 - 9 / 3)/ 3}]= ?

5.16 x 3.2 =

What can be the maximum number of common tangent which can be drawn to two non-intersecting circles?

The diameter of the driving wheel of a cart is 154 cm. Calculate the revolution per minute [RPM] of the wheel in order to keep a speed of 33 kmph?

The length of the diagonal and the breadth of a rectangle are 29 cm and 20 cm respectively. Find its perimeter (in cm).