Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
42 : 56
Answer
The correct answer is A: 12 : 20. 42 = 6×7 and 56 = 7×8 — consecutive integer products. Similarly 12 = 3×4 and 20 = 4×5, following the same pattern of consecutive integer products.
A.12 : 20✓ Correct
B.35 : 51
C.22 : 44
D.17 : 49
Explanation
42 = 6×7 and 56 = 7×8 — consecutive integer products. Similarly 12 = 3×4 and 20 = 4×5, following the same pattern of consecutive integer products.
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