Quantitative Aptitude - Arithmetic Ability Questions

Ram is 20 years younger than Shyam. 5 years ago, the ratio of their age was 3:5. The sum of their present age is

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

P and Q are two alloys which are prepared by mixing tin and lead in the ratio of 12 : 5 and 4 : 3 respectively. If equal quantities of alloys are melted to form athird alloy R, then what is the ratio of tin and lead in alloy R?

In the following question, select the odd letters from the given alternatives.

If √(1 - sin2A) = x, then the value of x is

Find the LCM of 3.2, 2.72, 1.28 and 1.44

A trader sells wire and gains 60% on the cost price. What will be the profit % on selling price?

Rithika had Rs 8000. She invested some of it in savings scheme P and the rest of the money in savings scheme Q. She invested for 3 years in savings scheme P and for 2 years in savings scheme Q. savings scheme P offers SI at a rate of 20% pa while savings scheme Q compounded annually at the rate of 30% pa. The interest received from savings scheme P is 930 more than the interest received from savings scheme Q. If Rs 1500 is debited from the invested amount of savings scheme P then find the difference between the amount invested by Rithika in savings scheme P & savings scheme Q.