When it's bad luck to meet a black cat?

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 demands an answer, but asks no questions

Decode this picture on T-Shirt and tell what it says ?

what does the below rebus means?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

What does an Island and the letter T have in common?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

what does this picture(rebus) riddle means ?