Quantitative Aptitude - Arithmetic Ability Questions

Two trains are moving in the same direction at the speed of 24 km/hr and 50 km/hr. The time taken by faster train to cross a man sitting in the slower train is 72 seconds. What will be the length (in metres) of the faster train?

The rate of simple interest per annum at which a sum of money double itself in 162⁄3 yrs. is

In a rectangle

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

In the following question, select the odd letter/letters from the given alternatives.

At what point does the line 3x + y = -6 intercept the x-axis?

Find the least number that must be subtracted from 98534, to get a number exactly divisible by 824.

The number of sides of a regular polygon whose exterior angles are each 72 deg is