In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

When 99 is considered higher than 100?

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

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Name a key which is hardest to turn.

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What is red and smells like blue paint?