Two numbers are in the ratio 3:5. If 9 is subtracted from each, the new ratio is 12:23. Find the smaller number.

मान लीजिए संख्याएँ 3x, 5x हैं। (3x-9)/(5x-9) = 12/23। 23(3x-9) = 12(5x-9) => 69x - 207 = 60x - 108 => 9x = 99 => x = 11। छोटी संख्या = 3 * 11 = 33।