मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

22 Men Can Dig a 27 M Long Trench in One Day. How Many Men Should Be Employed for Digging 135 M Long Trench of the Same Type in One Day?

Advertisements
Advertisements

प्रश्न

22 men can dig a 27 m long trench in one day. How many men should be employed for digging 135 m long trench of the same type in one day?

बेरीज
Advertisements

उत्तर

Men: Length trench:: Men : Length of trench

  22 :      27 m         ::    x    :     135 m

x = `(22xx135)/27`

= 110 men

shaalaa.com
Time and Work
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Direct and Inverse Variations - Exercise 10 (A) [पृष्ठ १२१]

APPEARS IN

सेलिना Concise Mathematics [English] Class 8 ICSE
पाठ 10 Direct and Inverse Variations
Exercise 10 (A) | Q 8 | पृष्ठ १२१

संबंधित प्रश्‍न

If 56 workers can build a wall in 180 hours, how many workers will be required to do the same work in 70 hours?


A car takes 6 hours to reach a destination by travelling at a speed of 50 km per hour. How long will it take when the car travels at a speed of 75 km per hour?


A fort had provisions for 450 soldiers for 40 days. After 10 days, 90 more soldiers come to the fort. Find in how many days will the remaining provisions last at the same rate?


If 3 men or 6 boys can finish a work in 20 days, how long will 4 men and 12 boys take to finish the same work?


90 men can complete a work in 24 days working 8 hours a day. How many men are required to complete the same work in 18 days working `7 1/2` hours a day?


A and B together can do a piece of work in `6 2/3` days, but B alone can do it in 10 days. How long will A take to do it alone?


A can do a work in 15 days and B in 20 days. If they together work on it for 4 days; what fraction of the work will be left?


A and B working together can mow a field in 56 days and with the help of C, they could have mowed it in 42 days. How long would C take by himself?


A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days.

  1. How long will it take them to do the work together?
  2. In what time can each finish it working alone?

P and Q can do a piece of work in 12 days and 15 days respectively. P started the work alone and then after 3 days, Q joined him till the work was completed. How long did the work last?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×