Quantitative Aptitude - Arithmetic Ability Questions

The ratio of speeds of X and Y is 5:7. Y covers a distance of 420 km in 3 hours. What is the speed of X?

If 6/7th of 8/5th of a number is 192, then 3/4th of that number is _____.

In an examination, 35% of total students failed in Hindi, 45% failed in English and 20% failed in both. Find the percentage of those studnets who passed in both the subjects ?

To travel 660 km, an Express train takes 10 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 7 hours less than Rajdhani. The speed of Rajdhani is

If a - b = -5 and a2+b2=73, then find ab.

Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:

The compound interest earned in two years at 8% per annum is Rs 4160. What is the sum (in Rs) invested?