"Find the ratio in which rice at Rs 7.20 a kg be mixed with rice at Rs 5.70 a kg to produce a
Channel: Doubtnut
Date: 2020-04-05

"Find the
 ratio in which rice at Rs 7.20 a kg be mixed with
 rice at Rs 5.70 a kg to produce a mixture worth Rs 6.30 a kg.
`1\ :3`
(b) `2\ :3`
(c) `3\ :4`
(d) `4\ :5`"