Question

11.
If 6 men or 8 women can do a work in 21
days, in what time will 9 men and 2 women
can do same work-​

Answer 1

Answer:

12

Step-by-step explanation:

6men 21 days

8 women 21 days

men 6×21=126

women 8×21=168

9men and 2 women

process:

9/126+2/168 after answer reciprocal it

you will get 12

Answer 2

Step-by-step explanation:

6=8

3=4(by division)

3(3=4)

9=12+2(2is given in question for women)

9=14

(b).M1×D1=M2×D2

8×21=14×x

8×21/14=12ans.