Quantitative Aptitude - Arithmetic Ability Questions

A basket contains 300 mangoes . 75 mangoes were distributed among some students . Find the percentage of mangoes left in the basket

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

If a-1a=1, then a2 + 1a2 ?

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

If (36 - 16x) - (4x - 8) = 4, then the value of x is

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient = double the remainder. If the remainder is 80 then the value of x is

The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is