Keyboard words are not in alphabetical order, Why?

Identify The phrase in the picture.

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

How many words can a pen with half refill write?

I have branches, but no fruit, trunk or leaves. What am I?

What seven-letter word has hundreds of letters in it?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

No matter how little or how much you use me, you change me every month. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?