Replace the question mark with the correct number below.

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?