Quantitative Aptitude - Arithmetic Ability Questions

Surya works 3 times as fast as Ramya and is able to complete a work in 40 days less than the number of days taken by Ramya. Find the time in which they can complete the work together.

The income of a person is Rs 45000 and his expenditure is Rs 33000. If his income is increased by 22% and expenditure in increased by 11%, then what will be the percentage increase in his savings?

Solve the following : 3/4+{3/4 + 3/4 ÷ (3/4 + 3/4)} = ?

What is the simplified value of cosec Acot A + tan A2 ?

A fraction is greater than its reciprocal by (72)/(77). What is the fraction?

The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

In the first 45 overs of a 50 over innings, the run rate was 5.8 runs per over. What is the required run rate in the remaining overs to reach the target of 295 runs?

What is the remainder, when 4x4 +10x3-20x2+90 is divided by (x+2) ?