I can write cow in 13 letters.

Can You?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

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

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you solve the below rebus?

Replace the question mark with the correct number in below Picture: