The curved surface area of a cylinder is five times the area of its base. Find the ratio of radius and height of the cylinder.

Which of the following options has the greatest value?

45 people can repair a road in 10 days, working 6 hours a day. In how many days can 30 people, working 6 hours a day, complete the same work?

Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.

(i) 2x³ = $$ \sqrt {256}$$
 (ii) 2y² – 9y + 10 = 0

The base of a right pyramid is an equilateral triangle with side 8 cm, and its height is 30 √3 cm. The volume (in cm3) of the pyramid is:

Average age of mother, father and son was 42 at the time of son's marriage. After one year, an infant was born and after 6 rears of marriage the average age of family becomes 36. Find the age of bride at the time of marriage.

If the 8 digit number 789x531y is divisible by 72, then the value of (5x - 3y) will be?

Directions : A bar graph showing the heights of six mountain peaks is given below. Study the bar graph and answer the questions. 

The average height of all the peaks (in metre) is