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 is wrong in the below Picture?

Why 1729 is a magic number? Answer Logically.

What can you deduce from the following BrainBat?

CRY
LMKI

People make me, save me, change me, raise me. What am I?

Name a key which is hardest to turn.

I cannot talk, but I always reply when spoken to. What am I?

Can you name some countries which do not have the alphabet 'A' in them?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G