I run but have no feet. I roar but have no mouth. I wear a belt but have no waist. I always drink but never eat. What am I?

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What has a bell but isn’t a church. Is full of air but is not a balloon?

There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.

What comes once in a minute, twice in a moment, but never in a thousand years?

A bike rider is traveling north at 25 mph, a car passes the bike rider going north at 40 mph. At the same time the bike rider passes a jogger running north at 5 mph. Which will move away from the bike rider at a faster pace, the car or the jogger?

Solve A+B+B+B+80+90=100 with No negative numbers

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I run but have no feet. I roar but have no mouth. I wear a belt but have no waist. I always drink but never eat. What am I?

Answer: Engine

Solution:

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What has a bell but isn’t a church. Is full of air but is not a balloon?

Answer: trumpet

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There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.

Answer: window

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What comes once in a minute, twice in a moment, but never in a thousand years?

Answer: The letter "m".

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The letter “m”.

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A bike rider is traveling north at 25 mph, a car passes the bike rider going north at 40 mph. At the same time the bike rider passes a jogger running north at 5 mph. Which will move away from the bike rider at a faster pace, the car or the jogger?

Answer: The jogger, because the difference in speed is greater between the jogger and bike rider than the car and the bike rider

Solution:

Solve A+B+B+B+80+90=100 with No negative numbers

Answer: A is log[1/(10^10)] and B is log[1/(10^20)]

Solution:

Mathematical logical Solution:

log [1/(10^10)] = -10 log(10) = -10 ->A

log [1/(10^20)] = -20 log(10) = -20 ->B

Now,

So, LHS: A + 3B + 80 + 90

=> -10 + 3(-20) + 80 + 90

=> 100 -> RHS

Hence proved! ( No negative numbers though)

Hence, A is log[1/(10^10)] and B is log[1/(10^20)]