Quantitative Aptitude - Arithmetic Ability Questions

If 4/5th of 6/7th of a number is 216, then 8/9th of that number will be

The difference between simple interest on a certain sum at the rate of 6% per annum for 5 years and 6 years is 25.8. What is the sum (in Rs)?

The marked price is 10% higher than the cost price . A discount of 10% is given to the marked price . In this kind of sale the seller

The length of the diagonal and the breadth of a rectangle is 26 cm and 10 cm respectively. Calculate its area (in cm2).

What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?

A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and there after travel 90km at 15 km/h. His average speed is

A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area ?

If πsinθ= 1, πcosθ= 1, then (3tan 23θ+1) is