I am an odd number. Take away a letter and I become even. What number am I?

Can you count the number of triangles in the given figure?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

I’m tall when I’m young, and I’m short when I’m old. What am I?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you count the number of squares in the figure below?

What four weights can be used to balance from 1 to 30 pounds?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT