LCM And HCF Of Numbers- 1

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Created by Akshay Singh

Maths - Lesson Based MockTest

LCM AND HCF OF NUMBERS-1

1 / 20

1) Find the greatest number that will divide 1375 & 4935 exactly.

A) 5

B) 6

C) 8

D) 4

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2) Find the greatest number which divides 18 and 30 completely.

A) 12

B) 10

C) 8

D) 6

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3) What is the four digit smallest number which is completely divided by 2,3,8,10?

A) 1080

B) 1020

C) 1060

D) 1120

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4) The LCM and HCF of two numbers are 96 and 8, respectively. One number is 32, then the other number is

A) 24

B) 12

C) 256

D) 768

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5) Raghav, Arun and Rinku joggning around a rectangular park and complete one round in 24 s, 18 s and 10 s, respectively. In how much time will they meet again at strating point?

A) 5 min 38 s

B) 6 MIN

C) 5 MIN

D) 6 min 14 s

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6) What is the LCM of 16, 80 and 48?

A) 480

B) 16

C) 8

D) 240

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7) The HCF and LCM of two numbers are 4 and 48, respectively. If one of these number is 12, then the other number is

A) 12

B) 4

C) 16

D) 8

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8) Three bells start ringing together at 8 : 35 am, if they ring after 12s, 15s and 18 s respectively each time, the next time they will ring together at

A) 8 38: am

B) 8:41 AM

C) 8:45 AM

D) 8:40 AM

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9) Find the measure of the greatest length which can measure 24 m, 32 m and 44 m completely.

A) 4 m

B) 3 m

C) 2 min.

D) 5 m

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10) Hemu, Anshul and Gaurav start running around a circular stadium and complete one round in 27s, 9s, and 36s, respectively. In how much time will they meet again at starting point?

A) 2 min 36 s

B) 2 min 25 s

C) 1 min 48 s

D) 3 min 11 s

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11) Find the LCM of 28, 35, 56 & 84.

A) 840

B) 950

C) 850

D) 980

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12) The LCM of 2x3x5 and 2x5x7 is

A) 210

B) 840

C) 1680

D) 630

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13) The LCM of 2x3x5 and 2⁴x5x7 is

A) 210

B) 1680

C) 840

D) 630

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14) The LCM of 12, 24 and 30 is

A) 120

B) 30

C) 2

D) 60

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15) Find the LCM of 18, 24 and 60.

A) 480

B) 520

C) 120

D) 360

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16) Find the smallest number which when divided by 25, 40, 60 leaves remainder 7 in each case.

A) 607

B) 508

C) 916

D) 600

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17) HCF of 160, 165 and 305 is

A) 15

B) 10

C) 20

D) 5

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18) Find the smallest number divided by 42, 98 and 70.

A) 980

B) 1740

C) 1070

D) 1470

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19) The LCM of 8, 12, 20 and 36 is

A) 120

B) 180

C) 720

D) 360

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20) The least number which is divided by 12, 15, 20 and 25 exactly, is

A) 150

B) 300

C) 600

D) 200

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