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HCF & LCM MCQ Set 1

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HCF & LCM MCQ SET 1

1. Find the LCM of 15 , 24 , 35 & 54 .ย 

(a) 7650

(b) 7560

(c) 6570

(d) 5670

Show Answer

Answer: B

2. Find the HCF of 110 , 180 and 540 .

(a) 10

(b) 1

(c) 5

(d) 3

Show Answer

Answer: A

3. Find the HCF of 240 , 280 and 560 .

(a) 40

(b) 30

(c) 20

(d) 10

Show Answer

Answer: A

4. Find LCM of 48 , 50 , 98 , 54 and 72 .

(a) 2โด x 3ยณ x 5ยฒ x 7ยฒ

(b) 2ยณ x 3ยณ x 5ยฒx 7ยฒ

(c) 2โด x 3ยฒ x 5ยฒ x 7ยฒ

(d) 2ยณ x 3ยณ x 5 x 7

Show Answer

Answer: A

5. Find the LCM of 15 , 24 , 32 & 45ย 

(a) 1448

(b) 1436

(c) 1435

(d) 1440

Show Answer

Answer: D

6. What is the LCM of 3.6 , 1.8 and 0.144?

(a) 36

(b) 360

(c) 3.6

(d) 3600

Show Answer

Answer: C

7. Find the LCM of 3ยณย x 5 x 7ยฒ x 11 , 3ยณ x 5 x 11ยฒ and 3ยฒ x 5ยณ x 11โด .

(a) 3ยฒ x 5 x 11

(b) 3ยณ x 5ยณ x 7ยฒ x 11โด

(c) 3โด x 5 x 7 x 11โด

(d) 3ยฒ x 5 x 7 x 11

Show Answer

ย Answer: B

8. The least number which is exactly divisible by 5 , 6 , 8 , 10 and 12 is :

(a) 240

(b) 180

(c) 150

(d) 120

Show Answer

Answer: D

9. Find the HCF of 1/2 , 3/4 , 5/6 , 7/8 , 9/10

(a) 1/120

(b) 1/7

(c) 1/32

(d) 1/40

Show Answer

Answer: A

10. What is the Highest Common Factor (HCF) of 7/16 , 21/32 and 49/8 ?

(a) 7/64

(b) 147/32

(c) 147/8

(d) 7/32

Show Answer

Answer: D

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