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- 1. Multiple ChoiceFind the HCF of 30 and 362346
- 2. Multiple ChoiceFind the HCF of 25 and 3510571
- 3. Multiple ChoiceFind the HCF of 22 and 42231114
- 4. Multiple ChoiceFind the HCF of 45 and 60515109
- 5. Multiple ChoiceFind the HCF of 21 and 2834714
- 6. Multiple ChoiceFind the HCF of 24 and 321248
- 7. Multiple ChoiceWhat is the least common multiple (LCM) of 3 and 20?6040203
- 8. Multiple ChoiceWhat is the least common multiple (LCM) of 6 and 8?684824
- 9. Multiple ChoiceWhat is the least common multiple (LCM) of 4 and 10?4401520
- 10. Multiple ChoiceWhat is the least common multiple (LCM) of 2 and 24?2421248
- 11. Multiple ChoiceWhat is the least common multiple (LCM) of 15 and 2?30245152
- 12. Multiple ChoiceFind the Least Common Multiple of 9 and 618363872
- 13. Multiple ChoiceWhat is the least common multiple of 15, 21 and 35?35105315
- 14. Multiple ChoiceWhat is the least common multiple of 14 and 49?7144998
- 15. Multiple ChoiceTwo neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?48 seconds45 seconds16 seconds8 seconds
- 16. Multiple Choice
The school cafeteria serves tacos every sixth day and cheeseburgers every eighth day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?
14 days
24 days
34 days
44 days
- 17. Multiple ChoiceTwo clocks are turned on at the same time. One clock chimes every 15 minutes. The other clock chimes every 25 minutes. In how many minutes will they chime together?55 minutes25 minutes60 minutes75 minutes
- 18. Multiple ChoiceHenry and Margo both began traveling around a circular track. Henry is riding his bike, and Margo is walking. It takes Henry 7 minutes to make it all the way around, and Margo takes 12 minutes. How much time will pass until they meet at the starting line?84 minutes48 minutes854 minutes78 minutes
- 19. Multiple ChoiceJenny goes to dance class every 6 days, karate class every 12 days, and to the library every 18 days. On December 1st she went to both classes and the library. On what date will she do both classes and go to the library?24 days36 days42 days52 days
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