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Rohit has the digits 2, 4 and 5, and uses each once to make a three-digit number.
He wants the number to be divisible by 5.
How many such three-digit numbers can he make?

Class 6Divisibility RulesPlaying with Numbers
  • A4
  • B3
  • C1
  • D2

Step-by-Step Solution

To be divisible by 5, the units digit must be 5 (0 is not available). So the last digit is fixed as 5, and the remaining digits 2 and 4 fill the first two places in ways: 245 and 425. So there are 2 numbers.
Answer: D) 2

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