Quantitative Aptitude - Arithmetic Ability Questions

If a3 + b3 = 19 and ab = -6 , then what is the value of a + b?

If  tan2A / (secA -­ 1)2 = x, then the value of x is

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

Select the odd letters from the given alternatives.

If 16% of an electricity bill is deducted, Rs 1806 is still to be paid. How much was the bill?

Which of the following is a reductible fraction?

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

5 litres of honey contains 80% sugar. 3 litres of water is added to this honey. What is the percentage of sugar in the new mixture?