1. The speed of a boat in still water is 11 km/h and the speed of the stream is 3 km/h. The boat takes a total of 11 hours to cover a distance up and down of a fixed destination. What is that fixed distance? (2)
- (1) 73
- (2) 56
- (3) 74
- (4) 75
- (5) None of these
2. An urn contains 3 red, 6 blue,2 green and 4 yellow balls.If two marbles are picked randomly then the probability that either both are red or both are green is (2)
- (1) 3/5
- (2) 4/105
- (3) 2/7
- (4) 5/91
- (5) None of these
3. A can complete a work in 10 days and B can complete the same work in 15 days. A started the work and left after 4 days. What time will B take to complete the rest work? (2)
- (1) 12 days
- (2) 9 days
- (3) 6( 1/4) days
- (4) 4( 1/6) days
- (5) None of these
4. The ratio of the income of Ram and Shyam is 7 : 17 and the ratio of the income of Shyam and Sohan is 7 : 17. If the income of Ram is Rs. 490 then what is the income of Sohan? (2)
- (1) Rs. 1690
- (2) Rs. 2890
- (3) Rs. 1790
- (4) Rs. 1190
- (5) None of these
5. There are 50 students in a class. One boy among them, whose weight is 51 kg leaves the class and a new boy admits in the class. Due to this the average weight of the class increases by ½kg. The weight of newly admitted student is (2)
- (1) 73 kg
- (2) 76 kg
- (3) 74 kg
- (4) 75 kg
- (5) None of these