Select the set in which the numbers are related in the same way as the numbers of the set (3, 15, 75).
A. (2, 12, 60)
B. (4, 20, 100)
C. (6, 30, 120)
D. (5, 20, 80)
A. (2, 12, 60)
B. (4, 20, 100)
C. (6, 30, 120)
D. (5, 20, 80)
Best answer
Answer: B. (4, 20, 100)
Answer: (B) (4, 20, 100)
In (3, 15, 75) each number is 5 times the one before: 3 × 5 = 15, 15 × 5 = 75.
(4, 20, 100): 4 × 5 = 20, 20 × 5 = 100. ✓
(5, 20, 80) uses ×4; (6, 30, 120) uses ×5 then ×4; (2, 12, 60) uses ×6 then ×5.
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