Given:
Number of workers (W1) = 25
Time taken (T1) = 10 days
Number of workers (W2) = 20
Formula Used:
W1 ×T1 = W2 ×T2
Solution:
25 ×10 = 20 ×T2
T2 = (25 ×10) / 20 = 12.5 = 25/2 days
Thus, it will take 12.5 days for 20 workers to build the wall.
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishTwo pipes, P and Q, together can fill a tank in 5 hours. If pipe P alone can fill the tank in 10 hours, then how much time (in hours) will pipe Q alone take to fill the tank?
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