John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

I shave every day, but my beard stays the same. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

If eleven plus two equals one, what does nine plus five equal?

In the image below, can you find the value of an angle(y)

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you decipher the below rebus?

PBLUESAISNUERSES

What kind of band never plays music?