To see how much knowledge you have gained, to see what helps you learn and also these tests tell your teacher what they need to do to improve there teaching as much as for you to improve your knowledge
Answer:
सवाल अस्पष्ट है क्या आप कृपया प्रश्नों को स्पष्ट रूप से बता सकते हैं
<span>Find the common difference of the sequence shown.</span>
