Quantitative Aptitude - Arithmetic Ability Questions

The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).

The volume of metallic cylindrical pipe of uniform thickness is 748 c.c. Its length is 14 cm and its external radius is 9 cm. The thickness of the pipe is

If sinA/(1 + cosA) = x, then x is

If 4x + 3y = 11 and 3x + 2y = 8, then (x,y) is

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

4 + 16 x -12 x 24 - 13 - 3 ÷ 20 - 4 = ?

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

Find the odd word/letters/number pair from the given alternatives.