Scientists use the Kelvin scale $\left(\mathrm{K}\right)$ as an alternative temperature scale to degrees Celsius $\left({}^{\circ }\mathrm{C}\right)$ by the relation $T°\mathrm{C}=(T+273)\mathrm{K}$.

Temperature $-273°\mathrm{C}$ is converted as $x \mathrm{K}$. Find the value of $x$.

Find the amount that is left in the student's bank account, if he has made the following transactions in a month. His initial balance is $₹690$.

(i) Deposit $(+)$ of $₹485$

(ii) Withdrawal $(-)$ of $₹500$

(iii) Withdrawal $(-)$ of $₹350$

(iv) Deposit $(+)$ of $89$

(v) If another $₹300$ was withdrawn, what would be the balance be?

A poet Tamizh Nambi lost $35$ pages of his 'lyrics' when his file had got wet in the rain. If Tamizh Nambi wrote $5$ page per day, the number of days' work he lose is?

A poet Tamizh Nambi lost $35$ pages of his 'lyrics' when his file had got wet in the rain. If four pages contained $1800$ characters(letters), how many characters were lost?

A poet Tamizh Nambi lost $35$ pages of his 'lyrics' when his file had got wet in the rain. If Tamizh Nambi is paid $₹250$ for each page produced, how much money did he lose?

A poet Tamizh Nambi lost $35$ pages of his 'lyrics' when his file had got wet in the rain. If Kavimaan helps Tamizh Nambi and they are able to produce $7$ pages per day, how many days will it take to recreate the work lost?

A poet Tamizh Nambi lost $35$ pages of his 'lyrics' when his file had got wet in the rain. If Tamizh Nambi pays kavimaan $₹100$ per page for his help, then how much money does Kavimaan receive (in $₹$)?