Match the authors with their plays/books.
\[ \begin{array}{|c|l|c|l|} \hline \text{List-I} & & \text{List-II} & \\ \hline (a) & \text{Rabindranath Tagore} & (i) & \text{Mrityunjay} \\ \hline (b) & \text{Sumitranandan Pant} & (ii) & \text{Mahamayi} \\ \hline (c) & \text{Chandrashekhara Kambara} & (iii) & \text{Chidambara} \\ \hline (d) & \text{Birendra Kumar Bhattacharya} & (iv) & \text{Post Office} \\ \hline \end{array} \]
Which one of the following plays is not written by William Shakespeare?
A sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest. What would be the amount, if the interest rate is increased by 3%?
In what ratio must water be mixed with milk to gain 20% by selling the mixture at cost price?