Q1-Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volunteered both to supervise children during the picnic and to bring refreshments to the picnic. If the number of parents who volunteered to bring refreshment was 1.5 times the number of parents who neither volunteered to supervise children during the picnic nor volunteered to bring refreshments, how many of the parents volunteered to bring refreshments?
Q-2 Three distinct prime numbers, less than 10 are taken and all the numbers that can be formed by arranging all the digits are taken. Now, difference between the largest and the smallest number formed is equal to 495. It is also given that sum of the digits is more than 13. What is the product of the numbers?
Q-3 A hole was detected in a ship when it was 77 km away from the shore. Through this hole, 2.25 ton of water enters in the ship in 5.5 minute. The ship would be sunk when 92 ton water enters in it. A pump discharge water at the rate of 12 ton per hour. Find the average speed of the ship when it is about to sink, after reaching the shore?
- 9.75 km/h
- 13 km/h
- 14.5 km/h
- 10.5 km/h
Q4- 12 men can do a piece of work in 36 days. 18 women can do the same work in 60 days. 8 men and 20 women work together for 20 days. If the rest work has to be completed only by women in 4 days then how many women will complete it together?