Find the wrong number in the given series.2, 6, 18, 54, 161, 486
Correct Answer:
B. 161
Explanation:
To solve this, first translate the statement into an equation: 20% of a = b becomes 0.2a = b. Now, calculate b% of 20, which is (b/100) * 20. By substituting b with 0.2a, the expression becomes (0.2a / 100) * 20. Simplifying this results in 0.04a, which is equivalent to 4% of a. Therefore, b% of 20 is equal to 4% of a.
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