Quantitative Aptitude - Arithmetic Ability Questions

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 4:9 and if PQ = 27 cm, then what is the length of XY (in cm)?

Rathin is now 16 years old while his cousin is 7 years. After how many years will Ratin's age be 1.5 times that of his cousin?

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

If 3.5x = 0.07y, then find the result of [y-x / y+x]

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

If Tan θ = 7/24, then what is the value of Cosec θ?

If 4(2x + 3) > 5 -­ x and 5x - ­3(2x­ - 7) > 3x -­ 1, then x can take which of the following values?

If 5x ­- 40 = 3x, then the numerical value of 2x -­ 11 is