2526272829... shu ketma-ketlikning 41-xonasida qaysi raqam qatnashgan?

  1. 5
  2. 2
  3. 3
  4. 4

📝 Detailed explanation

Ketma-ketlik ikki xonali sonlardan tashkil topgan: 25, 26, 27, 28, 29... Har bir son 2 ta raqamdan iborat. Bizga 41-o'rindagi raqam kerak. Bu toq o'rin bo'lgani uchun, u qaysidir sonning birinchi raqami bo'ladi. 41 / 2 = 20,5 ya'ni bu 21-sonning birinchi raqamidir. Ketma-ketlikdagi 21-son: 25 + (21 − 1) = 45. 45 sonining birinchi raqami 4 ga teng.
4 / 10 (40%)
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