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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10


Prime Factorization Word Problems

  1. Read the questions carefully.
  2. Compute the results as per the question.
Example 1: What is the least number that is divisible by 5, 6 and 15?
Find the LCM of 5, 7 and 9
Multiples of 5 are 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Multiples of 6 are 6, 12, 16, 24, 30
Multiples of 15 are 15, 30, 45, 60
Least Common Multiple (LCM) = 30
Answer: 30

Example 2:
Jill purchased some apples to distribute to her friends. If she gave 4 or 5 or 6 apples to each of her friends she will be left with 100 apples. What is the least number of apples she purchased?
Solution:
The L.C.M of 4,5,6 = 60
100 + 60 = 160
The least number of apples she purchased is 160.
Solution: 160 apples.
Directions: Solve the following questions. Also write at least five examples of your own.
Q 1: Alana purchased some apples to distribute to her friends. If she gave 7 or 8 or 10 apples to each of her friends she will be left with 100 apples. What is the least number of apples she purchased?
1000
56
380

 Q 2: Some toys are 15 dollars each, some are 45 dollars each, and some are 60 dollars each. Find the least sum of money with which we can buy an exact number of toys of each kind?
120
160
180

Q 3: Jane purchased some oranges to distribute to her friends. If she gave 4 or 5 or 6 oranges to each of her friends she will be left with 7 oranges. What is the least number of oranges she purchased?
67
60
Incorrect question

 Q 4: Three clocks ring once at the same time. After that, the first clock rings after every 3 hours, the second after every 4 hours, and third after every 5 hours. After how many hours will they again ring together?
60 hours
70 hours
Never

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 Question 6: This question is available to subscribers only!


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