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An auto rickshaw takes 3 hours to cover ...

An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h, the time taken by it to cover the same distance is __________.

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NCERT EXEMPLAR-DIRECT AND INVERSE PROPORTIONS -EXERCISES
  1. The perimeter of a circle and its diameter vary with each other.

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  2. A car is travelling 48 km in one hour. The distance travelled by the c...

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  3. An auto rickshaw takes 3 hours to cover a distance of 36 km. If its sp...

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  4. If the thickness of a pile of 12 cardboard sheets is 45 mm, then the t...

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  5. If x varies inversely as y and x = 4 when y = 6, then when x = 3 the v...

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  6. In direct proportion a1/b1 = a2/b2

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  7. In case of inverse proportion a2b2

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  8. If the area occupied by 15 postal stamps is 60 cm^2, then the area occ...

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  9. If 45 persons can complete a work in 20 days, then the time taken by 7...

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  10. Devangi travels 50 m distance in 75 steps, then the distance travelled...

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  11. Two quantities x and y are said to vary directly with each other if fo...

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  12. When the speed is kept fixed, time and distance vary inversely with ea...

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  13. When the distance is kept fixed, speed and time vary directly with eac...

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  14. Length of a side of a square and its area vary directly with each othe...

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  15. Length of a side of an equilateral triangle and its perimeter vary inv...

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  16. If d varies directly as t^2 then we can write dt^2=k where k is some c...

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  17. If a tree 24 m high casts a shadow of 15 m, then the height of a pole ...

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  18. If x and y are in direct proportion, then (x – 1) and (y – 1) are also...

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  19. If x and y are in inverse proportion, then (x + 1) and (y + 1) are als...

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  20. If p and q are in inverse variation then (p + 2) and (q – 2) are also ...

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