Quantitative Aptitude - Arithmetic Ability Questions

The area of a square is 40.5 cm². Find the length of its diagonal (in cm).

In new government policy, the price of onion is raised by 35%. By what % should a person reduce onion consumption so that the expenditure on it does not increase?

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

The price of an article is cut by 36%, to restore to its original value, the new price must be increased by

Daily local train ticket costs Rs 60 and Monthly Pass costs Rs 1566. If I buy the Monthly Pass and travel for 29 days in a month than I save?

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

Dalajit lent Rs 10800 to Jaabir for 3 years and Rs 7500 to Kabir for 2 years on simple interest at the same rate of interest and received Rs 1422 in all from both of them as interest. The rate of interest per annum is