Quantitative Aptitude - Arithmetic Ability Questions

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

The effective annual rate of interest corresponding to a nominal rate of 7% per annum payable half­yearly is

Simple interest on a sum for 10 years is equal to 5% of the principal. In how many years interest will be equal to the principal?

The diagonals are congruent in a _____.

The curved surface area of a hemisphere is 27.72 sq cm and volume is 19.404 cubic cm, find its radius?

The area of the triangle whose vertices are given by (2,4), (-3,-1) and (5,3) is

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the tower was 45 m high, how far away from the tower was the platform positioned?

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?