Quantitative Aptitude - Arithmetic Ability Questions

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

The average revenues of 11 consecutive years of a company is Rs 77 lakhs. If the average of first 6 years is Rs 72 lakhs and that of last 6 years is Rs 84 lakhs, What is the revenue for the Sixth year.

R and S started a business by investing Rs 165000 and Rs 195000 respectively for the same period of time. If R’s share in the profit earned by them is Rs 11000, then what is the total profit (in Rs) earned by both of them together?

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

The diameters of two cylinders are in the ratio 3:2 and their volumes are equal. The ratio of their heights is

In an exam, the avarage marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies and Craft were 70. If the average marks in all seven subjects is 58, his score in maths was

What is that least number that must be added to the product 684 × 686 to make it a perfect square?