Directions (Q. 1 - 7): Solve the following questions. Select your answers and submit to check the correct answers.

1. A bus travelling with 5/14 of its usual speed covers 84 km in 1hr 40 min 48 second. What is the usual speed of the bus?

141 km/hr

135 km/hr

140 km/hr

152 km/hr

None of these

2. In a barrack of soldiers there was stock for 55 days for 300 soldiers. After 31 days 100 soldiers left the barrack. For how many days shall the leftover food last for the remaining soldiers?

42 days

51 days

36 days

34 days

None of these

3. The cost price of 45 articles is same as the selling price of 40 articles. The profit percent is–

13%

11.5%

12.5%

12%

None of these

4. By Selling an article for Rs 256 a man loses 1/9 of his cost price. By selling it for Rs 288, his gain or loss percent it.

0%

1%

7%

1.5%

None of these

5. A discount series of 15% & 25% on an invoice is the same as a single discount of–

47.18%

50%

36.25%

39.18%

None of these

6. The quantity of water that should be added to reduce 18 ml lotion containing 50% alcohol to the lotion containing 30% alcohol is–

6 ml

8 ml

10 ml

12 ml

None of these

7. The length of a rectangle is increased by 40%. By what percent the width of the rectangle have to be decreased to maintain the same area?

26.27%

28.57%

26.57%

28.27%

None of these