There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Find the next number in the series.
1 10 24 43 67 ?

Through your logical capabilities, can you make 7 an even?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Can you find the thief by just looking at the picture below?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Which city is three-fifths chick two third cat and 50% goat?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you find out the number of the parking space in which the car is parked?