Teaching UP TGT Mock Test Series 2025 Quantitative Aptitude Number System LCM and HCF

The sum of two numbers is 18 and their HCF and LCM are 3 and 54 respectively. What will be the sum of their reciprocals?

1
\(\frac{1}{7}\)
2
\(\frac{1}{{11}}\)
3
\(\frac{1}{6}\)
4
\(\frac{1}{9}\)
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