Question
Download Solution PDFHow many two-digit numbers are divisible by 5?
This question was previously asked in
RPF Constable 2024 Official Paper (Held On 03 Mar, 2025 Shift 1)
Answer (Detailed Solution Below)
Option 4 : 18
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RPF Constable Full Test 1
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Detailed Solution
Download Solution PDFFormula used:
To find the count of numbers divisible by 5 in a specific range, use the formula:
Count = last number - first number / 5 + 1
Calculation:
First two-digit number divisible by 5 = 10
Last two-digit number divisible by 5 = 95
Count = 95 - 10 / 5 + 1
⇒ Count = 85 / 5 + 1
⇒ Count = 17 + 1
⇒ Count = 18
∴ The correct answer is option (4).
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