Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 1

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IMPORTANT

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The least number by which $825$ must be multiplied in order to produce a multiple of $715$ is

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Important Questions on HCF and LCM

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 2

The LCM of two number is

630

and their HCF is

9

. If the sum of the numbers is

153

, then the ratio of the two numbers is

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 3

The HCF of two numbers each consisting of four digits is

103

and their LCM is

19, 261

. Then the numbers are

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 4

The LCM of two positive integers is twice the larger number. The difference of the smaller number and the GCD of the numbers is

4

. The smaller number is

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 5

Three men start together to travel the same way around a circular track of

11 km

. Their speeds are

4, 5 \frac{1}{2}

and

8 km

per hour respectively. When will they meet at the starting point?

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 6

If

A

and

B

are the HCF and LCM respectively of two algebraic expressions

x

and

y

, and

A + B = x

+ y

, then the value of

A^{3} + B^{3}

is

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 7

If the last divisor is

75

and the quotients are

3, 1, 1

and

3

respectively, in finding the HCF of two numbers by the method of division, then those two numbers are

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 8

Sum of two numbers is

56

. If their LCM is

105

, then the numbers are

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Quantitative Aptitude for Competitive Examinations>Chapter 3 - HCF and LCM>Practice Problems Level 2>Q 9

The greatest number of three digits which when added to

45

is exactly divisible by

6, 8, 12

is