I’m tall when I’m young, and I’m short when I’m old. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

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?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

What country can make you shiver?

Find the number of squares in the below picture

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?