The average present age of A, B and C is 24 years and B’s age is 180% of the A’s present age. B’s age is 225% of C’s age. What is the present age of B?

There are 4 apples and 7 bananas in the box and the shopkeeper draws three fruits from the box at random. What is the probability of that contains at least 2 apples?

A, B, C and D complete the work in 8 days, 12 days, 16 days and 20 days respectively and the ratio of the daily wages of A, B, C and D is 5:4:6:8. If they received the total cost of Rs.12900, then what is the amount received by D?

Ram deposits some amount to bank and then he received the amount Rs 3990after 5 year. He received the amount Rs. 5502after 9 years. Find the sum.

The length of train A and B is 200 meter and 460 meter respectively and train A crosses train B and electric pole in 36 seconds and 18 seconds respectively. If both trains are running in opposite direction, what is the speed of train B?

Ram walks at three-seventh of his original speed and he reaches his office 16 minutes late. What is the actual duration of his walks?

A boat goes 24 km upstream and 28 km downstream in 6 hours and it goes 30 km upstream and 21 km downstream in 6 hours and 30 minutes. What is the speed of boat in still water?

Two Pipes A and B can fill the tank in 12 hours and 16 hours respectively. Both the pipes are opened simultaneously and after 4 hours pipe B closed. In how many hours the tank will be filled completely?

The angles of the quadrilateral are in the ratio of 3:4:10:7. The second largest angle of the quadrilateral is equal to the largest angle of the triangle. If one of the angles of triangle is 45⁰, then what is the third angle of the triangle?

The diameter of the wheel is 28 cm and it completes 1000 rotations in one minutes. What is the speed of the vehicle?