PDF chapter test TRY NOW
1. By proportionality law, check whether \(3 : 2\) and \(30 : 20\) are in proportion.
Answer:
The given are .
2. A picture is resized in a computer as shown below.
![YCIND_230918_5559_puppies.png](https://resources.cdn.yaclass.in/ca09cf71-4c59-4cd6-915e-64f2781cc3ac/YCIND2309185559puppiesw300.png)
Do you observe any change in shape and size of the picture? Check whether the ratios formed by its length and breadth are in proportion by cross product method.
Answer:
The given are .