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| Question 1 | |
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| Find the least common multiple of 12 and 80. | |
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| A. | 280 | B. | 164 | |
| C. | 224 | D. | 240 | |
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| Question 2 | |
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| Find the LCM of 9, 10 and 45. | |
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| A. | 90 | B. | 60 | |
| C. | 54 | D. | 95 | |
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| Question 3 | |
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| Find the LCM of 54 and 90. | |
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| A. | 180 | B. | 270 | |
| C. | 216 | D. | 121 | |
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| Question 4 | |
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| Find the LCM of 26 and 34. | |
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| A. | 234 | B. | 446 | |
| C. | 442 | D. | 421 | |
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| Question 5 | |
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| Jerry has a pack of cards. If he makes group of 3 cards or group of 8 cards or group of 12 cards, no card is left over. How many cards does he have in the pack?
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| A. | 24 | B. | 12 | |
| C. | 16 | D. | 21 | |
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| Question 6 | |
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| Paul has two mystery numbers in his mind. Their least common multiple is 45 and greatest common factor is 3. Which two numbers does he have in his mind? | |
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| A. | 3 and 4 | B. | 9 and 15 | |
| C. | 9 and 18 | D. | 6 and 20 | |
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| Question 7 | |
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| Find the LCM of 36 and 100. | |
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| A. | 600 | B. | 180 | |
| C. | 90 | D. | 900 | |
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| Question 8 | |
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| Find the least common multiple of 14, 21 and 32. | |
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| A. | 124 | B. | 1,120 | |
| C. | 210 | D. | 672 | |
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| Question 9 | |
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| Both Maria and Katrina are taking piano classes. Maria has piano class every 3rd day and Katrina has her class on every 5th day. Which is true about their classes? | |
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| A. | They will both have a class on the 12th day. | B. | They will both have a class on the 18th day. | |
| C. | They will both have a class on the 15th day. | D. | They will never have a class on the same day. | |
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| Question 10 | |
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| Find the LCM of 16, 25 and 40. | |
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| A. | 150 | B. | 400 | |
| C. | 80 | D. | 300 | |
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