Quantitative Aptitude - Arithmetic Ability Questions

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

The effective annual rate of interest corresponding to a nominal rate of 15% per annum payable half-yearly is

In a committee there are 25 members. If two members whose ages are 64 years and 40 years are replaced by the two new members, then average age of 25 members is decreased by 2 years. What is the average age (in years) of the new members?

When a number is increased by 21, it becomes 114% of itself. What is the number?

The marked price of an article is Rs 2400. It is sold at two successive discounts of 10% and 15%. What is the selling price (in Rs) of the article?

What is the value of [1 – sin (90 – 2A)] / [1 + sin (90 + 2A)]?

Common factor of 24b6c8d2, 18a6c2d4, 12a4b4 is

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is