Quantitative Aptitude - Arithmetic Ability Questions

If the radius (r) of a circle is increased by 'x' units, what is the number of units by which the circumstance of the circle is increased?

ΔDEF is right angled at E. If cosecD = 5/4, then what is the value of cosecF?

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 4:3 and length of QR is 4.9 cm, find ST?

The radius of a sphere and right circular cylinder is 'r'. Their volumes are equal. The ratio of the height and radius of the cylinder is:

What is the effective discount (in %) on two successive discounts of 20% and 10%?

Pipes A and C can fill an empty cistern in 32 and 48 hrs, respectively while Pipe B can drain the filled cistern in 24hrs. If the three pipes are turned on together when the cistern is empty, how many hrs will it take for the cistern to be 2/3 full?

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

Compute : (50 + 0.5 x 20) / 0.7