PDF chapter test TRY NOW

1. Which of the following ratios are in proportion?
 
2. If the ratios formed using the numbers \(2\), \(5\), \(x\), \(20\) in the same order are in proportion, then \(x\) is .
 
3. If \(7 : 5\) is in proportion to \(x : 25\), then \(x\) is .