Question
A group of 21 boys, each working
6 hours a day, complete a school project in 15 days. How many days will it take for 18 boys, working 5 hours daily, to finish the same project?Solution
ATQ,
Let the required time be 'd' days. So, 21 × 6 × 15 = 18 × d × 5 Or, 1,890 = 90 × d Or, 'd' = 21Â
More Time and work Questions
- Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN - Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___ - Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - Select the number that can replace the question mark (?) in the following series.
24, 28, 37, 53, 78, ? - Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____ - A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Select the letter-pair that can replace the question mark (?) in the following series?
FK, HM, LQ, RW, ZE, ?
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