Multiple Choice Questions

The HCF and LCM of two numbers is 84 and 840 respectively If the first number is 168 find the second...........

Quantitative Aptitude (RAS) LCM, HCF

The HCF and LCM of two numbers is 84 and 840 respectively. If the first number is 168, find the second one

420

360

210

480

LCM*HCF = a*b
840*84 = 168*b, b = 420

Hence, option 1 is the correct answer.

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