Mehmonxona ko‘p qavatlik bo‘lib har bir qavatdagi xonalar soni oldingi qavatdan 1 taga ortib boradi. Agar birinchi qavatda 5 ta xona bo‘lsa, 51-xona qaysi qavatda bo‘ladi?

  1. 5
  2. 6
  3. 7
  4. 8

📝 Detailed explanation

Qavatlar bo‘yicha xonalar soni: 5,6,7,8,9,10,11...
Yig‘indilar: 5;11;18;26;35;45;56.
51-xona 46–56 oralig‘ida, ya'ni 7-qavatda joylashgan.
8 / 10 (80%)
Question 8 of 10
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