Quantitative Aptitude - Arithmetic Ability Questions

A sum fetched a total simple interest of Rs. 8100 at the rate of 6% per year in 9 years. What is the sum?

If the price of sugar is decreased by 18%, then a person can buy 16.2 kg sugar more for Rs 4500. What will be the new price (in Rs) of sugar per kg?

A triangular prism has 9 edges. How many vertices does it have?

If cos 45° - ­ sec 30° = x, then value of x is

If x3 – 4x2 + 19 = 6(x – 1), then what is the value of [x2 + (1/x – 4)]?

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

The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is