10 boys can complete a work in 7 days and 10 girls take 14 days to complete the work. How many days will 5 boys and 10 girls take to complete the work ?
A) 13 days
B) 10 days
C) 7 days
D) 16 days
Answers
Answered by
0
Answer:
MRK ME AS BRAINLIEST
Step-by-step explanation:
Work done per woman per day is 1/70 and per child is 1/140. So 5 woemen and 10 children can finish 5/70+ 10/140 (=1/7) portion of work per day. Hence, it takes 7 days.
MARKE AS BRAILIEST
Similar questions