'A' can complete a work in 35 days. He started the work and left after 21 days from starting. Remaining work was done by 'B' in 42 days. Find the time taken by 'B' to complete 60% of work.

'A' is behind 'B' by 90 km. If speed of 'A' and 'B' are 45 km/h and 30 km/h, respectively. Find the distance covered by 'A' when he overtakes 'B'.

Ratio of speed of boat in still water and upstream speed of boat is 6:5, respectively. If downstream speed of boat is 17.5 km/h, then find the upstream distance cover by boat in 4 hours.

Find the curved surface area (in cm2) of a right circular cylinder whose radius is 4.5 cm and height is 8.4 cm. (Use π = 22/7)

Ratio of length and breadth of a rectangular field is 4:3 respectively. The perimeter of rectangular field is 14 metres less than the perimeter of a square field. If the area of the rectangular field is 300 m2, then find the area of square field.

The probability that Vipin passes the exam is (2/7) and the probability that Saloni fails the exam is (5/12) . If both Vipin and Saloni give the exam then find the probability that both of them have the same result.

18 men working 8 hours a day complete a work in 20 days whereas 12 women working 10 hours a day complete the work in 30 days. Find the ratio of efficiency of 6 men and 4 women, respectively.

'A' started a business with Rs. 14,000. After 6 months, 'A' reduced his investment by Rs. 7,000 and 'B' joined the business by investing Rs. 17,500. Find the profit share of 'B' out of total profit of Rs. 2,030 at the end of 15 months.

A train crosses a pole and a platform of length 575 metres in 11 seconds and 34 seconds, respectively. Find the length of train.

Curved surface area of a right circular cone of diameter 21 cm is 594 cm2. Find the slant height of cone. (Use π = 22/7)

There are three numbers 'A', 'B' and 'C' such that 'A' is 40% less than 'B', which is 80% of 'C'. If difference between 'A' and 'C' is 39, then find the sum of 'B' and 'C'.

The speed of a boat in still water is 25% more than that of the current. The boat takes total 10 hours to cover 135 km downstream and 15 km upstream. Find the downstream speed of the boat. (IBPS RRB PO/Clerk)

An article is sold for Rs. 5236 after two successive discounts of Rs. 12% and 15%. If the article was marked up by 25% above its cost price, then find the profit/loss received on the article. (IBPS RRB Clerk/PO)