Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Can you fill the blank with the correct number?

6 30 870 756030 _____

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Find the number of squares in the below picture

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Which flower has two lips?

Can you find out the missing number in the grid?

Why 1729 is a magic number? Answer Logically.

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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.