Quantitative Aptitude - Arithmetic Ability Questions

If 2/3 of a pizza costs Rs.300, then 3/5 of a pizza will cost

In triangle DEF measure of angle E is 90 deg. If cotD = 5/12 and DE = 1 cm, then what is the length (in cm) of side EF?

The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5:3. The ratio of their volumes is

Calculate the difference between the square of the largest and smallest two-digit prime numbers.

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is

The area of a triangle ABC is 63 sq.units. Two parallel lines DE, FG, are drawn such that they divide the line segments AB and AC into three equal parts. What is the area of the quadrilateral DEGF?

Which of the following numbers is divisible by 9?

A flask has two holes. The 1st hole alone makes the flask empty in 9 minutes and 2nd hole alone makes the flask empty in 16 minutes. If water leaks out at a constant rate, how long in minutes does it take if both the holes together empty the flask?