9.A

Class 9A attends more than 20 students but fewer than 40 students. A third of the pupils wrote a math test to mark 1, the sixth to mark 2, and the ninth to mark 3. No one gets mark 4. How many students of class 9A wrote a test to mark 5?

Correct answer:

n =  14

Step-by-step explanation:

3 ...  prime number 6=23 9=32 LCM(3,6,9)=232=18  m=LCM(3,6,9)=18  20  t  40  t = 2m t=2 m=2 18=36 n=t (11/31/61/9)=36 (11/31/61/9)=14



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Do you want to calculate the least common multiple of two or more numbers?
Do you want to calculate the greatest common divisor of two or more numbers?

Related math problems and questions: