Which five letter word can be added at the end of below word to form a
valid word?

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What has many keys but can’t open a single lock?

What work can one never finish?

What has one letter and starts with an E?

You bought me for dinner but never eat me. What am I?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

What is both possible and impossible at the same time?

I have an eye but still cannot see.

Who am I?

O_er_t_o_

Complete the missing letters of the given word.

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?