Name a key which is hardest to turn.

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Solve below popular number sequence
314 159 265 358 979 323 846 ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Which alphabet is a part of our body?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?