7
Q:

If the product of two numbers is 2522 and their LCM is 97 then their HCF is

A) 28 B) 29
C) 27 D) 26

Answer:   D) 26



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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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1 77
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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0 100
Q:

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

A) 870 B) 900
C) 810 D) 780
 
Answer & Explanation Answer: C) 810

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2 179
Q:

Find the LCM of the following fractions:

 

2/3,  8/9,  16/27,  32/81

 

A) 32/81 B) 81/32
C) 32/3 D) 11/41
 
Answer & Explanation Answer: C) 32/3

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1 389
Q:

The LCM of 15, 18 and 24 is

 

A) 360 B) 6
C) 3 D) 540
 
Answer & Explanation Answer: A) 360

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7 292
Q:

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

A) 64 B) 26
C) 46 D) 63
 
Answer & Explanation Answer: D) 63

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8 260
Q:

The LCM of 14, 21 and 35 is

A) 7 B) 140
C) 70 D) 210
 
Answer & Explanation Answer: D) 210

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5 210
Q:

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

A) 21 B) 42
C) 63 D) 36
 
Answer & Explanation Answer: A) 21

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10 447