Quantitative Aptitude - Arithmetic Ability Questions

The sum of digits of a two-digit number is 9. When the digits are reversed, the number decreases by 45. Find the changed number.

Select the odd number from the given alternatives.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

Find the odd numbers/letters/numbers from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

If Cot θ = 21/20, then what is the value of Cosec θ?

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?