Two numbers are in the ratio 4:7. If 10 is subtracted from each, the ratio becomes 1:2. Find the greater number.

मान लीजिए संख्याएँ 4x और 7x हैं। (4x-10)/(7x-10) = 1/2। क्रॉस गुणा: 8x - 20 = 7x - 10 => x = 10। बड़ी संख्या = 7x = 7 * 10 = 70।