Question

choose the correct answer 5 th question​

Answer 1

Answer:

15 men can do the work in 35 days

then 21 men men can do in ? days

Step-by-step explanation:

let the no. of days taken be x

15-35

21-x

15=35

15x=21x35

x=21x35/15

x=49 days

so the answer is option (d)

hope u r satisfied ........

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