Can you find the missing piece of the Porsche?

What is always in front of you but can’t be seen?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Which Travels Faster? Solve below famous picture riddle:

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99