In the month of March, Mr Shenvi spent $₹ 1$ on the first day, $₹ 3$ on the second day, $₹ 5$ on the third day and so on. What is his total expenditure for the whole month?-__________
When a number is divided by $89$, the quotient is $98$ and the remainder is $17$. What will be the remainder when the same number is divided by $98$?-__________