Chain Rule - Questions and Answers
Practice questions on Chain Rule.
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26. If 18 binders bind 900 books in 10 days, how many binders will be reguired to bind 660 books in 12 days ?
Explanation: ANSWER : 14
27. If six men working 8 hours a day earn Rs. 840 per week, then 9 men working 6 hours a day will earn per week :
Explanation: ANSWER : 945
28. If 4 examiners can examine a certain number of answer books in 8 days by working 5 hours a day; for how many hours a day would 2 examiners have to work in order to examine twice the number of answer books in 20 days ?
Explanation: ANSWER : 8 hours
29. If 22.5 metres of a uniform iron rod weighs 85.5 kg., what will be the weight of 6 meters of the same rod ?
Explanation: ANSWER : 22.8 kg.
30. A contractor undertook to do a certain piece of work in 9 days. He employed certain number of labouters but 6 of them being adsent from the very first day, the rest could finish the work in 15 days. The number of men originally employed were :
Explanation: ANSWER : 15