Question

1). 15workers can dig a well in 16 days.how long will it take to dig the well by 20 workers?

2). 24 men can do a piece of work in 15 days. in how many days can 45 men do another piece of work 2 times as great
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Answer 1

a)12days

b)8days

Explanation:

15x16

=240

240÷20

=12days

24x15

=360

360÷45

=8 days