1) The factors of 50 are a. 1, 2, 5, 10, 25, 50 b. 1, 2, 4, 10, 25, 50 c. 1, 2, 5, 10, 24 d. 1, 2, 3, 4, 5, 10, 25, 50
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2) John has two beepers red and green. The green beeper beeps every 35 second and red beeper beeps every 45 seconds. After how many seconds both beepers beeps at the same time? a. 512 b. 515 c. 315 d. 415
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3) Considering the prime factorization, the prime factors of 450 are a. 2 x 3 x 3 x 5 x 5 b. 2 x 5 x 7 c. 2 x 3 x 5 x 5 d. 2 x 2 x 5
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4) Mary has 24 pastries and wants to share pastries with her 20 friends. The greatest number of pastries any friend can get a. 5 b. 6 c. 4 d. 2
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5) If the length of one side of the cube is 20cm then volume of cube must be a. 8000cm³ b. 800cm³ c. 4000cm³ d. 6000cm³
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6) The square of 18 is a. 324 b. 369 c. 144 d. 342
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7) The composite numbers has a. more than two factors b. infinite factors c. one factor d. two factors
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8) The 6³ is equal to a. 249 b. 241 c. 216 d. 316
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9) The 9³ (cube of 9) is equal to a. 525 b. 343 c. 729 d. 512
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10) According to index notation, the prime factors of 40 are a. 2³ x 5 b. 2³ x 3 x 5 c. 2² x 3 x 5 d. 2² x 5
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