Skip to content / Đến nội dung
ThichHocToan.com

HKIMO 2026 Grade 4 National Preliminary Set 02 Question 5

HKIMO · HKIMO 2026 Grade 4 National Preliminary Set 02

Question 5

There is a meeting with a lot of people in a room. In the first hour, 25 people left the room. In the second hour, half of the remaining people left the room. In the third hour, 37 people left the room so the room is empty. How many people were in the room initially?
  1. 87
  2. 99
  3. 62
  4. 124