15 is 60% of what number?
A9
B75
C25
D20
Answer & Solution
Correct answer: C. 25
Let z be the unknown whole. Then 0.6 z = 15, so z = 15/0.6 = 25. Alternatively, 15/z = 60/100 gives 60 z = 1500, z = 25. Option A is 60% of 15 (wrong direction).
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