Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 Quantitative Aptitude Number System LCM and HCF
If two positive integers x and y are written as x = a2b3 and y = a3b and a and b are prime numbers, then HCF (x, y) is:
1
\(ab^2\)
2
\(a^2 b^2\)
3
\(ab\)
4
\(a^2 b\)