Quantitative Aptitude - Arithmetic Ability Questions

If 1/(1 + cosA) + 1/(1 ­- cosA) = x , then value of x is

If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?

If tan2A + cot2A + 2 = x, then the value of x is

Divide Rs. 288 in the ratio 2 : 3 : 5 : 6. The rupees in the respective ratios are given by

Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

If sum of Rs.1000 amount to Rs.1331 in 3 years, compounded annually. Then, find the rate of interest per annum?

If secA/(secA ­- 1) + secA/(secA + 1) = x, then x is

A bag contain equal number of 1 rupee, 50 paisa and 25 paisa coins. If the total amount is Rs 105, then how many coins of each type are there?