myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5    
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Grade: 6,    Subject: Math,    Topic: LCM
Question 1:
What is the smallest 3-digit number that is divisible by 18, 36 and 45?

160360

140180
 
Question 2:
Albert, Rohan and Robin step off together for their school. Their steps measure 60 cm, 75 cm and 90 cm respectively. What is the minimum distance each should walk so that all can cover that distance in complete steps?

100 cm900 cm

600 cm750 cm
 
Question 3:
The least common multiple of 80, 85 and 90 is _____.

12,2407,200

6,81016,420
 
Question 4:
What is the LCM of 4 and 17?

17171

7168
 
Question 5:
The smallest number, which when divided by 18, 108 and 144 leaves a remainder of 1 in each case _____.

420433

400480
 
Question 6:
Find the least common multiple of 6 and 18.

108180

18186
 
Question 7:
Help Kate in finding the smallest 3-digit number, which is exactly divisible by 8, 12 and 16.

122144

120160
 
Question 8:
120 is the smallest 3-digit number which exactly divisible by _________.

12, 16 and 3218, 20 and 30

6, 8 and 1236, 45 and 60
 
Question 9:
David is calculating the LCM of 9 and 4. Which number will he get as a result?

7236

49Can not be determined
 
Question 10:
The smallest number, which when divided by 15, 20 and 48, leaves 9 as a remainder in each case, is ____.

240420

480249
 
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