Quantitative Aptitude - Arithmetic Ability Questions

ΔPQR is right angled at Q. If cotP = 5/12, then what is the value of tanR ?

In an alloy, aluminium and tin are in the ratio of 4 : 5. In the second alloy, the ratio of same elements is 4 : 7. If equal quantities of these two alloys be mixed to form a new alloy, then what will be the ratio of both of these elements in the new alloy?

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

If the circumference of a circle is 44 cm, then what must be its area (in cm²)?

There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____

What will be the next set of numbers in the series? (2,3), (3,5), (5,7), (7,11), (11,13), ___

Find the volume (in cm3) of a right circular cylinder of diameter 21 cm and height 10 cm.