Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 11

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The least perfect square number which is divisible by $3, 4, 5, 6$ and $8$ is:

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Important Questions on HCF and LCM

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IMPORTANT

Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 12

The smallest number which is divisible by

12, 15, 20

and is a perfect square, is:

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IMPORTANT

Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 13

The sum of two numbers is

216

and their HCF is

27

. The numbers are:

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Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 14

The HCF and LCM of the two numbers are

44

and

264

respectively. If the first number is divided by

2

, the quotient is

44

. The other number is:

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Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 15

The number of prime factors in $2^{222} \times 3^{333} \times 5^{555}$ is:

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Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 16

The number of prime factors in the expression

(6)^{10} \times (7)^{17} \times (11)^{27}

is:

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Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 17

Three measuring rods are

64

cm,

80

cm and

96

cm in length. The least length of cloth that can be measured exact number of times using any one of the above rod is:

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Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 18

The product of two numbers is

1600

and their HCF is

5

. The LCM of the numbers is:

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IMPORTANT

Himachal Pradesh Patwari Recruitment Exam - Arithmetic>Chapter 2 - HCF and LCM>Multiple Choice Questions>Q 19

About the number of pairs which have

16

as their HCF and

136

as their LCM, we can definitely say that: