Вопрос:

38. Quyidagi sonlardan 2 ga ham 3 ga ham bo'linadigani qaysi?

Ответ:

A number is divisible by 2 if its last digit is even (0, 2, 4, 6, 8).

A number is divisible by 3 if the sum of its digits is divisible by 3.

Let's check each option:

  • A) 6150: Ends in 0, so it's divisible by 2. Sum of digits = 6 + 1 + 5 + 0 = 12. 12 is divisible by 3. So, 6150 is divisible by both 2 and 3.
  • B) 4358: Ends in 8, so it's divisible by 2. Sum of digits = 4 + 3 + 5 + 8 = 20. 20 is not divisible by 3. So, 4358 is not divisible by 3.
  • C) 955: Ends in 5, so it's not divisible by 2. Sum of digits = 9 + 5 + 5 = 19. 19 is not divisible by 3. So, 955 is not divisible by 2 or 3.
  • D) 3311: Ends in 1, so it's not divisible by 2. Sum of digits = 3 + 3 + 1 + 1 = 8. 8 is not divisible by 3. So, 3311 is not divisible by 2 or 3.

The number that is divisible by both 2 and 3 is 6150.

Ответ: 6150

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