Quantitative Aptitude - Arithmetic Ability Questions

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

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?

n an alloy, lead and tin are in the ratio of 2 : 3. In the second alloy, the ratio of same elements is 3 : 4. If equal quantities of these two alloy are mixed to forma new alloy, then what will be the ratio of these two elements in the new alloy? 

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

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?