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Least Common Multiple
Test Description: Least common multiple
Instructions: Answer all questions to get your test result.
1) What is the least common multiple of 12 and 30?
A
360
B
60
C
3
D
12
2) Danny needs to buy beverages for a charity event. Sodas are sold in packs of 12 and water bottles are sold in packs of 18. What is the least number of packs of sodas and water that
A
12 packs of water bottles and 18 packs of sodas
B
18 packs of water bottles and 12 packs of sodas
C
3 packs of water bottles and 2 packs of sodas
D
2 packs of water bottles and 3 packs of sodas
3) What is the least common multiple of 15 and 25?
A
75
B
5
C
15
D
375
4) Liz bought donuts and drinks for a student council meeting. The donuts are sold in boxes of 12 and the drinks are sold in packs of 16. What is the smallest number of each item that
A
16 boxes of donuts and 12 packs of drinks
B
12 boxes of donuts and 16 packs of drinks
C
3 boxes of donuts and 4 packs of drinks
D
4 boxes of donuts and 3 packs of drinks
5) What is the least common multiple of 10, 20 and 16?
A
80
B
5
C
10
D
3200
6) On average, a child is born every 15 seconds in Texas and every 20 seconds in Wyoming. If a child was born at 6:02 am in both states, how much time will pass before another child i
A
5
B
40
C
60
D
300
7) At the Arnold Middle School talent show, a prize was awarded to the person sitting in the chair with the least common multiple of 8, 12, and 18. What was the winning number?
A
1728
B
36
C
72
D
24
8) Pam is trying to add fractions with denominators of 6, 8, and9. What is the least common multiple that Pam can use to add the three fractions?
A
72
B
2
C
54
D
432
9) Liz bought donuts and drinks for a student council meeting. The donuts are sold in boxes of 12 and the drinks are sold in packs of 16. What is the smallest number of each item that
A
12 boxes of donuts and 16 packs of drinks
B
4 boxes of donuts and 3 packs of drinks
C
3 boxes of donuts and 4 packs of drinks
D
16 boxes of donuts and 12 packs of drinks
10) At the Cypress Middle School talent show, a prize was awarded to the person sitting in the chair with the least common multiple of 8, 12, and 18. What was the winning number?
A
1728
B
24
C
72
D
36
*select an answer for all questions
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