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DIRECT & INVERSE PROPORTIONS-2 Class VIII (9.09.20)
Quiz 2 Made by Mrs. Pintu Prasad
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1. Both u and v vary directly with each other. When u is 10, v is 15,which of the following is not a possible pair of corresponding values of u and v?
2 points
(a) 2 and 3
(b) 8 and 12
(c) 15 and 20
(d) 25 and 37.5
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2. Both x and y vary inversely with each other. When x is 10, y is 6,which of the following is not a possible pair of corresponding values of x and y?
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(a) 12 and 5
(b) 15 and 4
(c) 25 and 2.4
(d) 45 and 1.3
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3. Assuming land to be uniformly fertile, the area of land and the yield on it vary
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(a) directly with each other.
(b) inversely with each other.
(c) neither directly nor inversely with each other.
(d) sometimes directly and sometimes inversely with each other.
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4. A truck needs 54 litres of diesel for covering a distance of 297 km.The diesel required by the truck to cover a distance of 550 km is
2 points
(a) 100 litres
(b) 50 litres
(c) 25.16 litres
(d) 25 litres
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5. By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours,the speed of the car should be
2 points
(a) 60 km/h
(b) 80 km/h
(c) 30 km/h
(d) 40 km/h
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6. Which of the following vary inversely with each other?
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(a) speed and distance covered.
b) distance covered and taxi fare.
(c) distance travelled and time taken.
(d) speed and time taken.
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7. Sree cycles to her school at an average speed of 12 km/hand takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should be
2 points
(a)203 km/h
(b) 16 km/h
(c) 20 km/h
(d) 15 km/h
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8. 100 persons had food provision for 24 days. If 20 persons left the place, the provision will last for
2 points
(a) 30 days
(b)96/5 days
(c) 120 days
(d) 40 days
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9. If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute is
2 points
(a)250/9 m
500/9 m
(c) 1000 m
(d)500/3 m
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10. The number of teeth and the age of a person vary
2 points
(a) directly with each other.
(b) inversely with each other.
(c) neither directly nor inversely with each other.
(d) sometimes directly and sometimes inversely with each other.
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