Question
Download Solution PDF25% of a number is 15 less than 30% of the number. Then 20% of the number is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
25% of a number is 15 less than 30% of the number.
Calculation:
Let the number be N.
25% of N = 30% of N - 15
⇒ 0.25 × N = 0.30 × N - 15
⇒ 0.25 × N - 0.30 × N = -15
⇒ 0.05 × N = 15
⇒ N = 300
Now, 20% of N = 0.20 × N
⇒ 0.20 × 300 = 60
∴ The correct answer is option (2).
Last updated on Jun 21, 2023
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