Revision Exercise
1. Divide 1760 between Raj and Aryan in the ratio 37:51.
2. In a proportion, the second, third and fourth terms are 96.105 and 120 respectively. Find
the first term.
3. The ratio of the number of boys in a school to the number of girls is 4:5. If the number of
girls is 545, find the total number of students in the school.
4. Find the compound ratio of the ratios 250 mL : 1.450 L and 7 h 15 min : 12 h.
5. The cost of 6 L of diesel is 2456. How many litres of diesel can one buy for 988?
6. A lawn tennis club charges a boy 7512 for three months. What are the charges for
11 months?
7. The cost of 7 notebooks is 2406 and the cost of 9 pens is 162. Find the cost of
13 notebooks and 17 pens.
8. A train covers a distance of 81 km in 36 minutes. Find its speed in km/h.
9. A car covers the distance between the two places A and B in 1 hour 45 minutes. If the speed
of the car is 96 km/h, find the distance between the places A and B.
10. A vehicle takes 4 hours to complete a journey at a speed of 54 km/h. How long will another
vehicle take to complete the same journey if its speed is 10 m/s?
11. The distance between two places is 130 km. A car travelling at a certain speed can cover
the distance in 1 hour 15 minutes. By how many km/h should the speed of the car be
Increased for it to take 10 minutes less to cover the distance?
Answers
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Answer:
1
sum of raj and aryan in ratio= 37+51
=88
total money to be divided= 1760
RAJ= 37/88×1760
=57,305.5
ARYAN= 51/88×1760
=78,988.8 answer
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