Question

There are 210 teachers in a school of 3300 students. Find the ratio of teachers to the number of students.
The cost of 12 cricket balls is 36 and the cost of 20 tennis balls is 160. Find the ratio of the cost of
cricket ball to the cost of a tennis ball.
Drazde 720 between Rajat and Raju in the ratio of 3: 7.
17​

Answer 1

Answer:

1) 1: 15

2) 1:4

I hope clear