The monthly salary of a person was $₹50,000$. He used to spend on three heads- personal and family expenses ($E$), taxes ($T$), philanthropy ($P$), and rest were his savings. $E$ was $50\%$ of the income, $T$ was $20\%$ of $E$ and $P$ was $15\%$ of $T$. When his salary got raised by $40\%$, he maintained the percentage level of $E$, but $T$ became $30\%$ of $E$ and $P$ became $20\%$ of $T$. By what percentage is the new savings more or less than the earlier savings? (correct up to one decimal place)

Current salary of Kriti is 4800. There will be increase of 15% in it in next year, what  will be the increased salary of Kriti after increment?

There are $1500$ students in a school, $15\%$ are Muslims, $7\%$ are Sikhs, $8\%$ are Christians and remaining are Hindus. How many Hindu students are there in the school?

If $15\% of (x + y) = 45\% of (x - y)$, then $y$ is how much percent of $x$?

A small scale soap business has the following expenses: 10% on marketing, 65% on employees salary and 25% on raw materials. If the business pays a total salary of Rs. 65,000 then what is its marketing expense?