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108 kg of ration is sufficient for 18 st...

108 kg of ration is sufficient for 18 students for 15 days. Find, for how many students will 70 kg ration be sufficient for 25 days.

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The correct Answer is:
7 students
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ICSE-DIRECT AND INVERSE VARIATIONS-EXERCISE 10 (E)
  1. 108 kg of ration is sufficient for 18 students for 15 days. Find, for ...

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  2. A can do a piece of work in 10 days and B in 15 days. How long will th...

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  3. A and B together can do a piece of work in 6(2)/(3) days, but B along ...

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  4. A can do a work in 15 days and B in 20 days. If they work together on ...

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  5. A, B and C can do a piece of work in 6 days, 12 days and 24 days resp...

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  6. A and B working together can mow a field in 56 days and with the help ...

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  7. A can do a piece of work in 24 days, A and B can do it in 16 days and ...

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  8. A can do a piece of work in 20 days and B in 15 days. They worked toge...

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  9. A can finish a piece of work in 15 days and B can do it in 10 days. Th...

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  10. A can do a piece of work in 10 days, B in 18 days and A, B and C toget...

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  11. A can do (1)/(4) of a work in 5 days and B can do (1)/(3) of the same ...

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  12. One tap can fill a cistern in 3 hours and the waste pipe can empty the...

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  13. A and B can do a work in 8 days, B and C in 12 days, and A and C in 16...

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  14. A and B complete a piece of work in 24 days, B and C do the same work ...

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  15. A and B complete a piece of work in 24 days, B and C do the same work ...

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  16. A and B complete a piece of work in 24 days, B and C do the same work ...

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  17. A and B can do a piece of work in 40 days, B and C in 30 days, and C a...

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  18. A and B can do a piece of work in 40 days, B and C in 30 days, and C a...

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  19. A can do a piece of work in 10 days, B in 12 days and C in 15 days. Al...

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  20. Two pipes P and Q would fill an empty cistern in 24 minutes and 32 min...

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