Question
If 15 women or 18 men or 12 boys can do a piece of work
in 18 days of 10 hours each, find how many boys assisted by 5 women and 6 men will finish the same work in 20 days of 6 hours each.Solution
Given, 15 women = 18 men = 12 boys So 5 woman =4 boys & 6 men=4 boys Now by chain rule, M1D1H1 =M2D2H2 So 12boys×18×10 = (Tboys+5women+4man×20×6 12boys×18×10 = (T +4+4)boys ×20×6 18 = T+8 or T = 10 Hence, 10 boys more are required.
More Time and work Questions
- Find the wrong number in the given number series.
5, 25, 30, 90, 92, 86 - Find the wrong number in the given number series.
8, 19, 12, 23, 16, 36 Find the wrong no in the given number series.
3, 7, 15, 31, 63, 127, 255
125, 142, 199, 320, 489, 778
1, 1.5, 3, 7.5, 22.5, 75, 315
Find the wrong number in the given number series.
22, 29, 50, 89, 134, 197
- In the given number series, find the wrong number.
1, 4, 9, 16, 25, 38, 49 Find the wrong number in given number series.
2010, 2018, 1998, 1982, 1950, 1886
Direction: Find the wrong number in given number series.
1102, 1140, 1186, 1240, 1318, 1412.
120, 146, 198, 276, 372, 510
Relevant for Exams:
