Quantitative Aptitude - Arithmetic Ability Questions

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

Pick the odd one out from the following

The radius of a sphere and right circular cylinder is 'r'. Their volumes are equal. The ratio of the height and radius of the cylinder is:

Find the smallest of the following decimals.

The lengths of two diagonals of a rhombus are 24 cm and 32 cm. What is the side (in cm) of the rhombus?

The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?

Simplify : 213 - 112 of 35 + 125 ÷ 213

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