Multiple Choice Questions

What is the HCF of 9 10 12 15 18 35 and 21 40 is ........

Quantitative Aptitude (SBI-PO) LCM, HCF

What is the HCF of 9/10,12/15, 18/35 and 21/40 is :

3/5

252/5

1/280

63/700

HCF for fractions = HCF of Numerators / LCM of Denominators
HCF of 9/10,12/15, 18/35

and 21/40=HCF (9,12,18,21) / LCM (10,15,35,40)

= 3/840=1/280

Hence, option 3 is the correct answer.

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