If 20% of a = b, then b% of 20 is the same as:
2025
If 20% of a = b, then b% of 20 is the same as:
- A.
4% of a
- B.
5% of a
- C.
20% of a
- D.
None of these
Attempted by 226 students.
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Correct answer: A
Solution:
Start from the given relation: 20% of a = b, so b = (20/100)a = 0.2a.
Compute b% of 20: b% of 20 = (b/100) * 20.
Substitute b = 0.2a: (0.2a/100) * 20 = (0.2 * 20 / 100) a = (4/100)a.
Therefore b% of 20 = 4% of a.
Final answer: 4% of a.