Quantitative Aptitude - Arithmetic Ability Questions

Determine the value of 1r+1s when r3+s3=0 and r+s=6 ?

If the ratio of the angle bisector segments of the two equiangular triangles are in the ratio of 3:2 then what is the ratio of the corresponding sides of the two triangles?

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

When a number is increased by 18, it becomes 106% of itself. What is the number?

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

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?

In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is

The cost of levelling a circular field at 50 Paise per square metre is Rs 7700. The cost (in Rs) of putting up a fence all round it at Rs 1.20 per meter is ( Use π = 22/7)