Quantitative Aptitude - Arithmetic Ability Questions

What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?

What least number must be added to 213, so that the sum is completely divisible by 9?

Which of the following numbers is divisible by 9?

Find the total surface area (in cm2) of a cuboid of length, breadth and height of 10.5 cm, 8 cm and 9 cm respectively.

Which of the following is equivalent to 0.565656...?

23 x 31 = 713. How much is 0.0713 / 3.1?

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