Can you find out which number multiplied by itself will give the output as 12345678987654321?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What do you think with the below Picture ?

What is harder to catch the faster you run?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

I cannot talk, but I always reply when spoken to. What am I?

Which Travels Faster? Solve below famous picture riddle:

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

There was once a troop of 5 elves. The 5 elves were very dedicated on finding the magical treasure of 1000 coins. However, being elves, they were super geniuses, very greedy and they did not hesitate in taking lives of other elves. The 5 elves were named Aye, Bee, Cee, Dee and Ee, ranked from high to low respectively, from Aye to Ee. One fine day, their efforts brought results and they found 1000 coins. Now they had to split it in between them as per their ranks. The lowest ranked elf has to make the proposal. If the proposal is accepted by majority, it is agreed, or the suggesting elf is killed.

What proposal should elf Ee make ?

The centre of the third figure is empty. What digit should fit inside?