90° Global math-genius test 3

1. 5 years before Sara was 17 years old. After 5 years she will be ____ years old.

 
 
 
 

2. Population of a city is becoming double after every 3 years. What will be the population of this city after a year if its current population is 1.5 million.

 
 
 
 

3. 2% of what is equal to 5

 
 
 
 

4. 5th multiple of 6 is equal to ____ multiple of 5.

 
 
 
 

5. One student of the class got 1st position, 2 students got 2nd and 3 students got 3rd position. If one-fifth students of the class are position holders. What is the total number of students in that class?

 
 
 
 

6. 2/5 is equal to

 
 
 
 

7. Sum of 4 unknown digits is 36. What is average of these digits.

 
 
 
 

8. Which one is the largest

 
 
 
 

9. Sum of first 5 even numbers is

 
 
 
 

10. Difference between 4th and 7th multiple of 6 is

 
 
 
 

Question 1 of 10