Home
Class 6
MATHS
10 boys can dig a pitch in 12 hours. How...

10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?

A

9 hrs 36 min

B

15 hrs

C

6 hrs 40 min

D

13 hrs 10 min

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RATIO, PROPORTION AND UNITARY METHOD

    RS AGGARWAL|Exercise EXERCISE 10D|24 Videos

  • QUADRILATERALS

    RS AGGARWAL|Exercise EXERCISE B (OBJECTIVE QUESTIONS)|10 Videos

  • SIMPLIFICATION

    RS AGGARWAL|Exercise Exercise|2 Videos

Similar Questions

Explore conceptually related problems

Ravi can do a piece of work in 15 hours while Raman can do it in 12 hours. How long will both take to do it, woking together?

A can do a piece of work in 4 hours, B and C together in 3 hours, and A and C together in 2 hours. How long will B alone take to do it? 8 hou r s b. 10 hou r s c. 12 hou r s d. 24 hou r s

A can finish a piece of work in 12 hours while B can finish it in 15 hours. How long will both take to finish it, working together?

A can do a piece of work in 7 days of 9 hours each and B can do it in 6 days of 7 hours each. How long will they take to do it,working a together 8(2)/(5) a day?

A and B can do a piece of work in 10 days.B and C can do it in 12 days. A and C can do it in 15 days. How long will A take to do it alone?

Tap A can fill a cistern in 8 hours and tap B can empty it in 12 hours.How long will it take to fill the cistern if both of them are opened together?

12 men and 16 boys can do a piece of work in 5 days. 13 men and 24 boys can do the same work in 4 days. How long will 7 men and 10 boys take to do the same work?

RS AGGARWAL-RATIO, PROPORTION AND UNITARY METHOD-TEST PAPER-10
  1. Find the ratio of: a. 90 cm to 1.05 m b. 35 minutes to an hour ...

    Text Solution

    |

  2. The ratio of zinc and copper in an alloy is 7:9. If the weight of copp...

    Text Solution

    |

  3. Divide "Rs. 1400 among A, B and C in the ratio 2:3:5.

    Text Solution

    |

  4. Prove that (5:6) > (3:4).

    Text Solution

    |

  5. 40 men can finish a piece of work in 26 days. How many men will be nee...

    Text Solution

    |

  6. In an army camp, there were provisions for 425 men for 30 days. How lo...

    Text Solution

    |

  7. Find the value of x when 36: x::x:16.

    Text Solution

    |

  8. Show that 48, 60, 75 are in continued proportion.

    Text Solution

    |

  9. Two numbers are in the ratio 3:5 and their sum is 96. The larger numbe...

    Text Solution

    |

  10. A car travels 288 km in 4 hours and a train travels 540 km in 6 hours....

    Text Solution

    |

  11. The first three terms of a proportion are 12. 21 and 8 respectively. T...

    Text Solution

    |

  12. The ratio 92 : 115 in simplest form is

    Text Solution

    |

  13. If 57:x::51: 85, then the value of x is

    Text Solution

    |

  14. If 4:5:: x:45, then the value of x is

    Text Solution

    |

  15. If a, b, c are in proportion, then

    Text Solution

    |

  16. 10 boys can dig a pitch in 12 hours. How long will 8 boys take to d...

    Text Solution

    |

  17. In covering 148 km, a car consumes 8 litres of petrol. How many kilome...

    Text Solution

    |

  18. Fill in the blanks a. (14)/(21)= (square)/(3)= (6)/(square) b. 90...

    Text Solution

    |

  19. Write 'T' for true and 'F' for false for the statement given below: ...

    Text Solution

    |