If X is a prime number, LCM of X and its successiv | HCF and LCM Questions & Answers

Q:

Find the Greatest Common Factor of 280 and 144.

A) 2	B) 8
C) 6	D) 4

Answer & Explanation Answer: B) 8

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Q:

Find the LCM of 34, 51 and 68.

A) 238	B) 102
C) 136	D) 204

Answer & Explanation Answer: D) 204

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Q:

The HCF of two numbers is 12 and their LCM is 72. If one of the two numbers is 24, then the other number is

A) 60	B) 36
C) 72	D) 48

Answer & Explanation Answer: B) 36

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3 859

Q:

Find the LCM of 12, 16, 20 and 24.

A) 180	B) 220
C) 240	D) 260

Answer & Explanation Answer: C) 240

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3 835

Q:

The HCF of 24, 60 and 90 is:

A) 3	B) 6
C) 12	D) 4

Answer & Explanation Answer: B) 6

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7 880

Q:

Find the HCF & LCM of 16, 24.

A) 8, 48	B) 4, 12
C) 2, 24	D) 4, 48

Answer & Explanation Answer: A) 8, 48

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4 879

Q:

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

A) 60	B) 55
C) 50	D) 65

Answer & Explanation Answer: B) 55

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Q:

Find the largest number of three digits exactly divisible by 15, 18, 27 and 30.

A) 870	B) 900
C) 810	D) 780

A) X	B) X (X+1)
C) (X+1)	D) X/(X+1)

If X is a prime number, LCM of X and its successive number would be

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