Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

In the image below, can you find the value of an angle(y)

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is harder to catch the faster you run?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

What always comes into a house through the keyhole?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

The cream is heavier than Milk. True or False?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?