Question

19. men and 3 boys can do a piece of work in 10 days
while 3 men and 2 boys can do the same work in
8 days. In how many days can 2 men and i boy do
the work?
(a) 12 days
(b) 24 days
(c) 14 days
(d) 12 days
20. If 3 men or 4 women can reap a field in 43 days then
the number of days in which the field can be reaped
by 7 men and 5 women is...
(ACC 2015)
(a) 12
(b) 10
(C) 15
(d) 14
21. 8 taps having the same rate of flow can fill a taken in
27 min. If two taps go out of orfer, then the time
taken by the ramaining taps of fill the tank will be​

Answer 1

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Answer 2

Answer:

Step-by-step explanation: