I have teeth but i don't bite. Who Am I ?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Whats the next number in the below number sequence pattern.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What breaks yet never falls, and what falls yet never breaks?

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?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Find the missing letter in the last circle logically in the given below picture.