If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

What is the largest number you can write with just 3 digits?

Can you solve the below rebus?

With the help clues provided in the image, can you find the 5 digit key?

Take away the whole and some still remain. What is it?

Why is the Hole below a Lock?

Which is faster, Heat or Cold ? Explain.