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.

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

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Rearrange the letters in "new door" to make one word.

Find the missing letter in the last circle logically in the given below picture.

How many letters are in the alphabet?

Can you write down eight eights so that they add up to one thousand?

Which city is three-fifths chick two third cat and 50% goat?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

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?