Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### Grade 8 - Mathematics5.7 L.C.M. - (Word Problems)

Example:
Find the least natural number which when divided by 8 leaves the remainder 5 and when divided by 12 leaves the remainder 9 and when divided by 18 leaves the remainder 15.

Solution:
DivisorremainderDifference
853
1292
18153
The least number = The L.C.M. of given numbers - difference
The L.C.M. of 8, 12 and 18 is 72.
Therefore, the number = 72-3 = 69.

Directions: Solve the following problems. Also write at least five examples of your own.
 Q 1: Find the least natural number which when divided by 18, 24 and 30 leaves the remainder 14,20,26 respectively.346386356376 Q 2: Find the least natural number which leaves no remainder when divided by 1,2,3,4,5,6,7,8,9 and 10. [Hint: The number = LCM of the given numbers]None of these252026402564 Question 3: This question is available to subscribers only! Question 4: This question is available to subscribers only!