Quantitative Aptitude - Arithmetic Ability Questions

If x = 222, y = 223, z = 225 then the value ofx3 + y3 + z3 - 3xyz is

Arrange the given words in the sequence in which they occur in the dictionary.
1. Waste
2. Wrong
3. Witty
4. Worcester
5. Warlike

9997 x 10003 = ?

If x +y = √3 and x - y = √2, then the value of 8xy (x2 + y2) is

If in the population of a town there is an increase of 44% in the first year and 75% in the second year, then what is the average rate of increase in the population?

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?

A dishonest milkman buys milk at Rs 30 per litre and adds 1/5 of water to it and sells the mixture at Rs 32 per litre. What will be his gain?

What number should be added to each of the numbers 35, 115, 53 and 165, so that the resulting numbers are in continued proportion?