The ratio of two number is 7 : 3 & t

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

HCF and LCM

Question:

The ratio of two number is 7 : 3 & their HCF is 21. Find the numbers

Options:

147,63

42,63

84,105

42,84

Correct Answer:

147,63

Explanation:

Let the numbers be 5x and 6x respectively

HCF of 7x and 3x = x

Now, according to the question

HCF = x = 21

Now, Numbers = 7x = 7 × 21 = 147

Second number = 3x = 3 × 21 = 63