What word does this rebus represent?

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Can you write down eight eights so that they add up to one thousand?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What word is represented by this rebus?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Name a key which is hardest to turn.