Quantitative Aptitude - Arithmetic Ability Questions

An angle in a semicircle is

Each exterior angle of a regular polygon measures 9 deg. How many sides does the polygon have?

What is the sum of the first 13 terms of an arithmetic progression if the 5th term is 1 and the 8th term is -17?

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

If A + B = 90 deg and Cos B = 1/3, then the value of Sin A is

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 25088, and Rs 28098.56 respectively, what is the rate of interest?

The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

The triangle ABC and DEF are similar to each other. The measure of the angle A and E is 67 and 83 degree respectively. What is the value of angle C?