Two numbers are in the ratio 7:11. If 7 is added to each of the numbers, the ratio becomes 2:3. Find the smaller number.

माना संख्याएँ 7x और 11x हैं। (7x + 7) / (11x + 7) = 2/3। तिरछा गुणा करने पर: 21x + 21 = 22x + 14 => x = 7। छोटी संख्या = 7 * 7 = 49।