TIMO 4 1617

What is the value of the number to represent “?” in the following sequence?
Value: Giá trị; Represent: Biểu diễn; Sequence: Dãy số.
1, 1, 2, 4, 7, 13, 24, ？ , 81, 149, …

• 44
• 100
• 33
• 56

According to the pattern shown below, how many circle(s) is / are there from the 1st to
the 200th figure counting from the left?
Pattern: Quy luật; Circles: Hình tròn; Figure: Hình vẽ.
○ △ □ ○ ○ △ △ □ □ ○ ○ ○ △ △ △ □ □ □…

• 100

• 150
• 75
• 68

A stationery store had a batch of ball pens. One half but 2 fewer pens were sold on the
first day. One half of the remaining part but 3 fewer pens were sold on the second day.
Finally, 11 ball pens are left. How many ball pen(s) did the stationery store have
originally?
One half: Một nửa; Fewer: Ít hơn; Remaining: Còn lại; Originally: Lúc đầu.

• 42

• 52

• 28

• 48

John wrote a 3-digit number on a piece of paper and asked Peter to guess it.

Peter asked: “Is the number 723?”
John replied: “One of the digits is correct. The position of that digit is also correct.”
Peter asked again: “Is the number 745?”
John replied: “One of the digits is correct. The position of that digit is wrong.”
Peter asked again: “Is the number 842?”
John said: “One of the digits is correct. The position of that digit is also correct.”
Given that all the digits in that 3-digit number are all different, what is the number
written by John?
3-digit number: Số có 3 chữ số; Digit: Chữ số; Position: Vị trí.

(a)  

There are a total of 40 tigers and cranes in a zoo. The animals have a total of 104 legs.
How many tiger(s) is / are there?
Crane: con sếu Total: Tổng cộng.


(a)  

• 2450

• 2500

• 1250

• 5000

(a)