Quantitative Aptitude - Arithmetic Ability Questions

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

The ratio of present ages of Ranjini and Shahid is 5:4. After 13 years the ratio of their ages will be 6:5. What is Ranjini's present age?

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

Three pipe P, Q and R can fill a tank in 12 minutes, 18 minutesand 24 minutes respectively. The pipe R is closed 12 minutesbefore the tank is filled. In what time the tank is full?

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

Δ DEF is right angled at E. If m∠D = 45%., then Cosec F =

If tan(A/2) = x, then the value of x is