1.A is thrice as good a workman as B and therefore, able to finish a job in 60 days less than B. Working together they will do it in:
(1) 20 days
(2) 22.5days
(3) 25 days
(4) 30 days
(4) 30 days
(5) None of these
2.Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both pipes are opened together. The time taken to fill the tank is:
(1) 50 minutes
(2) 12 minutes
(3) 25 minutes
(4) 15 minutes
(5) None of these
3.If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days. The time taken by 15 men and 20 boys to do the same type of work will be:
(1) 5 days
(2) 4 days
(3) 6 days
(4) 7 days
(5) None of these
4.If a man walks 20 km at 5 km/hr, he will be late by 40 minutes. If he walks at 8 km per hr, how early from the fixed time will he reach?
(1) 15 minutes
(2) 25 minutes
(3) 50 minutes
(4) 1.5 hours
(5) None of these
5.A boy rides his bicycle 10 km at an average speed of 12 km per hr and again travels 12 km at an average speed of 10 km per hr His average speed for the entire trip is approximately:
(1) 10.4 km/hr
(2) 10.8 km/hr
(3) 11.0 km/hr
(4) 12.2 km/hr
(5) None of these
6.A train 180 m long moving at the speed of 20 m/sec. over takes a man moving at a speed of 10m / sec in the same direction. The train passes the man in:
(1) 6 sec
(2) 9 sec
(3) 18 sec
(4) 27 sec
(5) None of these
7.The distance between two cities A and B is 330 km. A train starts from A at 8 a.m. and travels to wards B at 60 km / hr another train starts from B at 9 a.m. and travels towards A at 75 km/ hr At what time do they meet?
(1) 10 a.m.
(2) 10 :30 a.m.
(3) 11 a.m.
(4) 11 :30 a.m.
(5) None of these
8.In covering a certain distance, the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The taken by A to reach the destination is:
(1) 1 hour
(2) 1.5 hours
(3) 2 hours
(4) 2.5 hours
(5) None of these
9.In an examination, there were 1000 boys and 800 girls. 60% of the boys and 50% of the girls passed. Find the percent of the candidates failed?
(1) 46.4
(2) 48.4
(3) 44.4
(4) 49.6
(5) None of these
10.If A exceeds B by 40%, B is less than C by20%, then A : C is :
(1) 28 : 25
(2) 26 : 25
(3) 3 : 2
(4) 3 : 1
(5) None of these
Answers with Explanation
(1) 20 days
(2) 22.5days
(3) 25 days
(4) 30 days
(4) 30 days
(5) None of these
2.Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both pipes are opened together. The time taken to fill the tank is:
(1) 50 minutes
(2) 12 minutes
(3) 25 minutes
(4) 15 minutes
(5) None of these
3.If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days. The time taken by 15 men and 20 boys to do the same type of work will be:
(1) 5 days
(2) 4 days
(3) 6 days
(4) 7 days
(5) None of these
4.If a man walks 20 km at 5 km/hr, he will be late by 40 minutes. If he walks at 8 km per hr, how early from the fixed time will he reach?
(1) 15 minutes
(2) 25 minutes
(3) 50 minutes
(4) 1.5 hours
(5) None of these
5.A boy rides his bicycle 10 km at an average speed of 12 km per hr and again travels 12 km at an average speed of 10 km per hr His average speed for the entire trip is approximately:
(1) 10.4 km/hr
(2) 10.8 km/hr
(3) 11.0 km/hr
(4) 12.2 km/hr
(5) None of these
6.A train 180 m long moving at the speed of 20 m/sec. over takes a man moving at a speed of 10m / sec in the same direction. The train passes the man in:
(1) 6 sec
(2) 9 sec
(3) 18 sec
(4) 27 sec
(5) None of these
7.The distance between two cities A and B is 330 km. A train starts from A at 8 a.m. and travels to wards B at 60 km / hr another train starts from B at 9 a.m. and travels towards A at 75 km/ hr At what time do they meet?
(1) 10 a.m.
(2) 10 :30 a.m.
(3) 11 a.m.
(4) 11 :30 a.m.
(5) None of these
8.In covering a certain distance, the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The taken by A to reach the destination is:
(1) 1 hour
(2) 1.5 hours
(3) 2 hours
(4) 2.5 hours
(5) None of these
9.In an examination, there were 1000 boys and 800 girls. 60% of the boys and 50% of the girls passed. Find the percent of the candidates failed?
(1) 46.4
(2) 48.4
(3) 44.4
(4) 49.6
(5) None of these
10.If A exceeds B by 40%, B is less than C by20%, then A : C is :
(1) 28 : 25
(2) 26 : 25
(3) 3 : 2
(4) 3 : 1
(5) None of these
Answers with Explanation
