What has many keys but can’t open a single lock?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Find the missing number in the sequence below:

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

By what process could you make a 'Tea-Table' into food?

How can you leave a room with two legs and return with six legs?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Which is the rope you never skip with?

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?

What two things can you never eat for breakfast?