Q102
A can knit a pair of socks in 3 days. B can knit the same pair of socks in 9 days. If they are knitting together, then in how many days will they knit two pairs of socks ?
A.
3 days
B.
4 days
C.
days
AnswerD.
5 days
Answer: Option C
Solution
Answer: Option C
Solution:
Number of pairs knit by A and B together in 1 day∴ Required number of days,