Buy me, smell me or deliver me, I do not change.

Who am I?

Which wheel of car does not rotate when you turn your car right?

What does this rebus mean?

O
N
C
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TIME

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

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?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What two things can you never eat for breakfast?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10