How many words can a pen with half refill write?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Find the smallest sentence with all the English alphabet.

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

What does the rebus below mean?

TEN BADTION

How many bananas can you eat if your stomach is empty?