John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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?

Can you find the missing piece of the Porsche?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

Remove two matchsticks to make the below equation correct.

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?