1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Can you find the six hidden animals in the picture below?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

You see me once in June, twice in November, and not at all in May. What am I?

What type of tree can I carry in my hand?

If six children and two dogs were under an umbrella, how come none of them got wet?

How can you take 2 from 5 and leave 4?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?