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If 15 men can dig a trench 35 m long in ...

If 15 men can dig a trench 35 m long in 1 day, then how many men can dig a similar trench 84 m long in 1 day ?

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The correct Answer is:
36
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ICSE-RATIO AND PROPORTION-Exercise 7 B
  1. Find the fourth proportional to : (1)/(3), (2)/(5), 6

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  2. Find the fourth proportional to : 2 (1)/(2), 2 (6)/(7), 3(1)/(2)

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  3. Find the fourth proportional to : 3 hrs 12 min, 24 min, 1 m 68 cm

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  4. Find the mean proportion between 81 and 121

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  5. Find the mean proportion between 1 . 8 and 0.2

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  6. Find the mean proportion between (2)/(3) and (8)/(27)

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  7. Find the mean proportion between 0.32 and 0.08

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  8. Find the mean proportion between (1)/(25) and (1)/(16)

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  9. Find the third proportional to : 36, 12

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  10. Find the third proportional to : 1.2, 0.6

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  11. Find the third proportional to : (1)/(9), (2)/(3)

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  12. Find the third proportional to : 1 m 60 cm, 40 cm

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  13. Find the third proportional to : 1 kg 250 g, 500 g

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  14. Find the third proportional to : ₹ 2 . 40 , ₹ 4 . 80

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  15. Show that 6, 36, 216 are continued proportion.

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  16. If 8 pens cost ₹ 356, what is the cost of 14 pens ?

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  17. A uniform iron bar of length7 m weight 22.4 kg. How much does the sam...

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  18. A distance of 68 km is represented on a map by 1.7 cm . What distance ...

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  19. A bus is running at a uniform speed. It covers a distance of435 km in...

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  20. If 15 men can dig a trench 35 m long in 1 day, then how many men can d...

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