Quantitative Aptitude - Arithmetic Ability Questions

Area of _____ equals square of its side.

If a - b = -7 and a2+ b2= 85, then find ab.

Find the smallest 8 digit number which is exactly divisible by 121.

The diameters of two cylinders are in the ratio 3:2 and their volumes are equal. The ratio of their heights is

Find the least number which when divided by 20, 25, 35 and 40 leaves remainder 14, 19, 29 and 34 respectively?

What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x - y = -1 and 3x - 2y = 0?

What is the value of (cosecA - cotA) / (secA + tanA)?

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?