ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 27

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Find the greatest possible length of the planks, if three pieces of timber $42 m, 49 m$ and $63 m$ long have to be divided into planks of the same length ?

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Important Questions on HCF and LCM

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 28

Monica, Veronica and Rachat begin to jog around a circular stadium. They complete their revolutions in

42 s, 56 s

and

63 s

, respectively. After how many seconds will they be together at the starting point?

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 29

The capacity of two pots are

240 L

and

112 L

, respectively. Find the capacity of a container which can exactly measure the contents of the two pots?

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 30

A least number of

4

digits when increased by

5

is completely divisible by

12, 15, 20

and

35

. The number is ?

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 31

A, B, C

start running at the same time and at the same point in the same direction in a circular stadium.

A

completes a round in

252 s

,

B

in

308 s

and

C

in

198 s

. After what time will they meet again at the starting point?

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 32

A milk vendor has

21 L

of cow milk,

42 L

of toned milk and

63 L

of double toned milk. If he wants to pack them in cans, so that each can contains same number of litres of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required, is ?

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 33

The number of integers in between

100

and

600

, which are divisible by

4

and

6

both, is?

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ESIC Upper Division Clerk (UDC) & Stenographer Phase-1>Chapter 27 - HCF and LCM>Practice Questions>Q 34

The LCM of two numbers is

520

and their HCF is

4

. If one of the numbers is

52

, then the other number is?