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

Can you count the number of lines in the below picture?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Which Travels Faster? Solve below famous picture riddle:

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?