Quantitative Aptitude - Arithmetic Ability Questions

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

The 3rd and 8th term of an arithmetic progression are -14 and 1 respectively. What is the 11th term?

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

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

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

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

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

If 49 is subtracted from the square of a number, then the result obtained is 576. What is the number?