G4 - Least Common Multiples

What is the least common multiple of 4 and 5?

• A. 15

• B. 45

• C. 20

• D. 35

2. What is the least common multiples of 12 and 6?

• A. 12

• B. 13

• C. 14

• D. 15

3. What are the least common multiples of 12 and 16?

• A. 26

• B. 35

• C. 29

• D. 48

4. What is the LCM of 6 and 24?

• A. 18

• B. 22

• C. 24

• C. 16

5. What is the LCM of 2,4, and 6?

• A. 18

• B. 12

• C. 22

• D. 10

6. Find the least common multiples of 10 and 15.

• A. 30

• B. 10

• C. 40

• D. 20

7. What is the LCM of 5, 4, and 10?

• A. 30

• B. 5

• C. 15

• D. 20

8. A shopkeeper sells candles in packets of 20 and a candle stands in packets of 8. What is the least number of candles and candle stands Nita should buy so that there will be one candle for each candle stand?

• A. 30

• B. 40

• C. 50

• D. 60

9. Today, the soccer and basketball teams had games. The soccer team plays every 12 days and the basketball team plays every 18 days. When will both teams have games on the same day again?

• A. 28

• B. 56

• C. 42

• D. 36

10. Two men running a marathon took a sip of water at the same time 21 minutes after they started the race. If the first man took a sip of water every 9 minutes, how often did the other man take a sip of water?

• A. 48

• B. 63

• C. 54

• D. 72