How many times can you subtract the number 5 from 25?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

Find the 8 in the below-given Image.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

What am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What does this mean?

CCCCCCC

What demands an answer, but asks no questions

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?