# Mix Review Worksheet-15

Mix Review Worksheet-15

1. If the amount is Rs.500 and interest is Rs.100, then principal is:

A. Rs.100           B. Rs.400          C. Rs.600          D. none of these

1. A man borrowed Rs.480 from his neighbor. He paid it back after 5 months together with the interest charged at 5% per annum. What amount did he pay back?

A. Rs.512           B. Rs.500          C. Rs.490          D. none of these

1. A boy runs at a speed of 8 m/s. How long does he take to cover a distance of 1 km?

A. 100 sec          B. 125 sec           C. 12.5 hr.                   D. none of these

1. A bus driver completes a trip of 180 km in 4 hrs. If his average is 50 km/hr during the first 3 hrs of trip, then his speed in the final hour is:

A. 45 km/hr      B. 35 km/hr      C. 50 km/hr      D. 30 km/hr

1. A cycle travels at a speed of 45 km/h. How far will it travel in 36 minutes?

A. 27 km            B. 20 km            C. 36 km            D. 45 km

1. 54 km/hr = ______ m/sec.

A. 54                   B. 108                 C. 27                             D. 15

1. A student has to reach his school in 15 minutes. If the school is 800 metres away, at what speed should he walk?

A. 800/15 m/s.                             B. 1/15 m/s.

C. 8/9 m/s.                                     D. none of these

1. The ratio of the least prime number to the least composite number is:

A. 1 : 2                B. 2 : 3                C. 1 : 4                D. 1 : 3

1. The ratio of the heights of A and B is 4 : 3. If B is 1.2 m tall, then the height of A is:

A. 0.9 m             B. 1.8 m             C. 1.6 m              D. none of these

1. If Rs.60 is divided into two parts in the ratio 2 : 3, then the difference between those two parts is _____.

A. Rs.10             B. Rs.12              C. Rs.5                D. none of these