Twice a number makes it $10$, what is the number?

If $35$ is added to twice a number, $85$ is obtained. Find the number?

How many $25$ paise coins would make $10$ rupees?

If $4$ is subtracted from the half of a number, we get $6$. What will that number be?

Uma has few meters of cloth. If she makes 4 curtains of 2 metres each, she still has 5 metres of cloth left. Find out how much cloth did she have in the beginning?
(Find the length in meters)