railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Number System LCM and HCF
Let x be the largest 4-digit number which is divisible by each of 16, 21, 24 and 28. The sum of the digits of X is:
1
19
2
21
3
24
4
16