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1. Two men are standing on opposite ends of a bridge of 1200 metres long. If they walk towards each other at the rate of 5 m/minute and 10m/minute respectively, in how much time will they meet each other?

90 minutes

80 minutes

60 minutes

85 minutes

2. A train 180 m long moving at the speed of 20m/sec overtakes a man moving at a speed of 10m/sec in the same direction. The train passes the man in

27 seconds

6 seconds

18 seconds

9 seconds

3. Two boats A and B start towards each other from two places. 108 km apart. Speeds of the boats A and B in still water are 12 km/hr and 15 km/hr respectively. If A proceeds down and B up the stream, they will meet after —

4 hours

5.6 hours

7 hours

4.5 hours

4. In an examination 80% candidates passed in English and 85% candidates passed in Mathematics: If 73% candidates passed in both these subjects, then what percent of candidates failed in both the subjects?

35%

27%

15%

8%

5. What is the 507th term of the sequence 1, -1, 2, -2, 1, -1, 2, -2, 1, -1, .........

1

-1

2

-2