Least Common Multiple Question Preview (ID: 6693)


Least Common Multiple. TEACHERS: click here for quick copy question ID numbers.

What is the least common multiple of 12 and 30?
a) 3
b) 12
c) 360
d) 60

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

What is the least common multiple of 15 and 25?
a) 375
b) 5
c) 15
d) 75

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) 4 boxes of donuts and 3 packs of drinks
b) 3 boxes of donuts and 4 packs of drinks
c) 12 boxes of donuts and 16 packs of drinks
d) 16 boxes of donuts and 12 packs of drinks

What is the least common multiple of 10, 20 and 16?
a) 10
b) 3200
c) 80
d) 5

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) 300
d) 60

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) 72
b) 36
c) 24
d) 1728

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) 54
c) 432
d) 2

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) 16 boxes of donuts and 12 packs of drinks
d) 3 boxes of donuts and 4 packs of drinks

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) 36
b) 1728
c) 24
d) 72

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