790 students I subtracted 1495-85 then divided that by two then added the 85 to 705 to get 790
<h3>
Answer: Rs 25</h3>
Explanation:
Each pencil has a profit of Rs 1.25 since 
Multiply that result with 20 to get the final answer shown above in bold.
They are parallelogram hopes that answer your question
See the attached picture for the answers: