Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (4, 7) in the line y = -1?

If (1 + cosA)/(1 - cosA) = x, then x is

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

The ratio of curved surface area of a right circular cylinder to the total area of its two bases is 2 : 1. If the total surface area of cylinder is 23100 cm2, then what is the volume (in cm3) of cylinder?

A 600 metres long train is running at the speed of 81 km/hr. If it crosses a platform in 40 seconds, then what is the length of the platform (in metres)?

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

A sum of money invested at simple interest becomes 13/10 of itself in 2 years and 6 months. What is the rate (in percentage) of interest per annum?

If the number 247_679 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be