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1. Four bells ring at intervals of 4, 6, 8 and 14 seconds. They start ringing simultaneously at 12.00 O'clock. At what time will they again ring simultaneously?

12 hrs 2 min 48 sec

12 hrs 3 min

12 hrs 3 min 20 sec

12 hrs 3 min 44 sec

2. A tradesman marks his goods at 25% above the cost price. He allows his customers a discount of 10% on marked price. Find out his profit .percent.

12.2%

12.5%

12.4%

15%

3. The difference between the simple interest received from two different sources on ₹ 1500 for 3 yrs is ₹ 13.50. The difference between their rate of interest is

0.1%

0.3%

0.2%

0.4%

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

60 minutes

80 minutes

85 minutes

90 minutes

5. The numerator and denominator of a fraction are in the ratio of 2 : 3. If 6 is subtracted from the numerator, the result is a fraction that has a value 2/3 of the original fraction. The numerator of the original fraction is

6

18

27

36