haripriyaarundhati72 haripriyaarundhati72
  • 13-02-2021
  • Mathematics
contestada

457Δ is a 4-digit number with one of its digits represented by Δ. 457Δ is divisible by 3. Which of these is also a number divisible by 3?

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abhishekpunk3
abhishekpunk3 abhishekpunk3
  • 13-02-2021

Answer:

by divisibility rule of 3 for a no. to be divisible by 3 there is necessary condition that sum of all digit is divisible by 3.

so ans is 2 (smallest digit)

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