Question

[Phùng Thiên Phước]

Question 1:
Subtract 346 from 752.
Answer: 

Question 2:
Study the pattern.
88:8=11  
880:8=110 
8800:8= ? 
The missing number is 

Question 3:
Divide 2016×2016 by 2016. The quotient is 

Question 4:
What is  of 744?
Answer: 

Question 5:
Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys  ice creams.
 

Question 6:
100 hundreds + 1000 tens =  ones

Question 7:
My giant flower doubles its size every day. On Friday, it is  times as big as its was on the preceding Sunday.
 

Question 8:
The product of 2 different natural numbers is 9. Their sum is 

Question 9:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?
Answer:  numbers.

Question 10:
It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together? 
Answer:  minutes.

GLOBAL VIOLYMPIC.

Answer 1

[Tin Em Đi]

1:406

2:1100

3:2016

4:botay

5:2

6:20000

7:botay

8:10

9:botay

10:50

Answer 2

[nguyen dinh tuan]

cau 9 : 65