TIMO2.Đề 4.QG

Alice wrote a 2-digit number on a piece of paper and asked Bobby to guess it.

Bobby asked: “Is the number 68?”

Alice replied: “One of the digits is correct, the position of that digit is wrong.”

Bobby asked again: “Is the number 17?”

Alice replied: “One of the digits is correct, the position of that digit is wrong.”

Bobby asked again: “Is the number 79?”

Alice said: “One of the digits is correct, the position of that digit is correct.”

What is the number written by Alice?

(digit number: Số có 2 chữ số; Digit: Chữ số; Number: Số; The position of that digit: Vị trí của chữ số đó; Correct: Đúng; Wrong: Sai.)

(a)  

When Bruce was born, mum was 29 years old. When Bruce will be 28 years old, how old will mum be?

Born: Sinh ra; Years old: Tuổi

(a)  

According to the pattern shown below, what is the number in the blank?

Pattern: Quy luật; Number: Số; Blank: Chỗ trống.

12 、 15 、 21 、 30 、 42 、 57 、     

(a)  

According to the pattern below, what is the English letter in the space?

Pattern: Quy luật; English letter: Chữ cái Tiếng Anh; Space: Chỗ trống.

P 、 M 、 J 、 G 、    

(a)  

According to the pattern below, how many ※ is / are there in the 7th Group?

Pattern: Quy luật; 7th Group: Nhóm thứ 7

(a)  

Find the value of 37 + 13 - 68 - 13 + 51.

(a)  

Find the value of 24 + 62 + 16 + 29 + 8 .

(a)  

Find the value of 1 x 113 + 2 x 113 + 3 x 113 + 4 x 113.

(a)  

If A and B are both 1-digit numbers, find the value of B.

1-digit number: Số có 1 chữ số; Value: Giá trị.

          : 2 + 9 = 19

(a)  

If A and B are both 1-digit numbers, find the value of B .

1-digit number: Số có 1 chữ số; Value: Giá trị.

(a)