Quantitative Aptitude - Arithmetic Ability Questions

A town has a population of 4000 requires 140 liters of water per head. It has a tank measuring 18m x 12m x 8m. The water of this tank will suffice for ____ days?

In a 100 litre of mixture the ratio of milk and water is 6:4. How much milk must be added to the mixture in order to make the ratio 3 : 1?

The present of Rs.169 due in 2years at 4% per annum compound interest is

Two equal sums were lent, one at the rate of 11% per annum for five years and the other at the rate of 8% per annum for six years, both under simple interest. If the difference in interest accrued in the two cases is Rs 1008. Find the sum?

74.99% of 1299 + 8.98% of 1899 = ? 

A train travels 325 km in 3.5 hours and 470 km in 4 hours. Find the average speed of train ?

Find compound interest on Rs. 7500 at 4% per annum for 2 years, compounded annually

A jar can 20 litre milk. From the jar, 4 litres milk was taken out and replaced with an equal quantity of water. If 4 litres of the newly formed mixture is taken out of the can, then what is the final quantity of milk left in the can?