1 /3+ 1/6 = 1 /2 Together they will take, 1/ 1/2 = 2
Rita can knit a pair of socks in 3 days. Sita can knit the same in 6 days. If they are knitting together, in how many days will they knit two pairs of socks.

1) 4
2) 1
3) 2
4) 5
5) 6