225
Q:

The L.C.M of  22, 54, 108, 135 and 198 is

 

A) 330 B) 1980
C) 5940 D) 11880

Answer:   C) 5940



Explanation:

 22 = 2 x 11

 54 = 2×33

108 = 22×33

135 = 33×5 

198 = 2×32×11

  L.C.M = 22×33×5×11=5940

Subject: HCF and LCM
Q:

The LCM of the three numbers 16, 28 and 42 is

 

A) 168 B) 2
C) 252 D) 336  
 
Answer & Explanation Answer: D) 336  

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1 11283
Q:

The HCF of 20, 28 and 48 is

A) 8 B) 2
C) 1 D) 4
 
Answer & Explanation Answer: D) 4

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4 765
Q:

Find the LCM of 0.63, 10.5, 2.1, 4.20

A) 63 B) 0.63
C) 6.30 D) 6300
 
Answer & Explanation Answer: A) 63

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9 1510
Q:

What is the HCF of 36, 72 and 126?

A) 9 B) 36
C) 18 D) 12
 
Answer & Explanation Answer: C) 18

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1 956
Q:

Two numbers are in the ratio of 15 : 11.If their HCF is 13. Find  the numbers.

 

A) 195, 143 B) 196, 143
C) 195, 141 D) 195, 142
 
Answer & Explanation Answer: A) 195, 143

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6 5550
Q:

The LCM of 48 and 54 is

A) 6 x 8 x 9 B) 48 x 54
C) 6 x 2 x 9 D) 6 x 8 x 3
 
Answer & Explanation Answer: A) 6 x 8 x 9

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2 791
Q:

Find the HCF of 48, 92 and 140

A) 8 B) 6
C) 4 D) 3
 
Answer & Explanation Answer: C) 4

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0 814
Q:

Find the LCM of 3.2, 2.72, 1.28 and 1.44

A) 24.48 B) 2448
C) 2.448 D) 244.8
 
Answer & Explanation Answer: A) 24.48

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11 1716