Quantitative Aptitude - Arithmetic Ability Questions

What is the average of all the one digit, two digit and three digit natural numbers?

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?

Which of the following is the largest number among 2, 33, 4, 53

X and Y are two alloys which are prepared by mixing zinc and aluminium in the ratio of 1 : 4 and 11 : 8 respectively. If equal quantities of alloys are melted to form a third alloy Z then what is the ratio of zinc and aluminium in alloy Z?

Which of the following ratios can be the ratio of the sides of a right angled triangle?

Two numbers are 35% and 40% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

Find the odd word/letters/number pair from the given alternatives