Three numbers are in the ratio 3 : 4 : 5 and their LCM is 2400. Their HCF is:

मान लीजिए संख्याएँ 3x, 4x, 5x हैं। चूंकि 3, 4, 5 सह-अभाज्य हैं, LCM = 3 * 4 * 5 * x = 60x। 60x = 2400 => x = 40। HCF x है, इसलिए HCF = 40।