Quantitative Aptitude - Arithmetic Ability Questions

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

At least one diagonal bisects the other in a _____.

4 hrs after a goods train passed a station, another train travelling at a speed of 60 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

How much does one need to add to 2/3 to obtain 3/2?

Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?

The speed of car B is half the speed of car A. If car A covers a distance of 120 km in 1.5 hours, what is the speed of car B?

Product of digits of a 2-digit number is 72. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

Find  two  natural  numbers  whose  sum  is  85 andtheleast common multiple is 102.