## Calculate the velocity of water coming out of a double-entry pipe

If we know the volumetric flow rates of the water going into the two branches, then what would be the velocity of the water coming out?

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# Brain Teasers

## Calculate the velocity of water coming out of a double-entry pipe

## Brain Teaser: Fill in the Blanks

## Brain Teaser: A Sliding Ladder

## Brain teaser – A distribution manager’s dilemma

## Brain Teaser – Determine the code to open the briefcase

## The Raffle Tickets Brain Teaser

## Challenge your brain – Boys vs. Girls jigsaw puzzle

## Brain teaser – Make this equation true, 999999999999999 = 1990

## Cross a Rope Bridge in 17 minutes

## Which of the following best expresses the main conclusion of the given argument

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If we know the volumetric flow rates of the water going into the two branches, then what would be the velocity of the water coming out?

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Four words with the letters SNT, in that order, have all their other letters removed. You must use the letters below to fill in the blanks.

_ _ S _ N T _ _ _

S _ _ N T

S _ N _ _ T

S _ _ _ N T

Letters to use: A, A, E, E, E, I, I, L, L, Q, S, S, U, U

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A 25 ft ladder (assume it is not an extension ladder) is placed with its foot 7 ft away from a building. If the top of the ladder slips down 4 ft, how many feet will the bottom slide out?

John the distribution manager for a leading mobile phone company has a dilemma. The warehouse has 10 unlabelled rows of pallets, each row contains thousands of phones destined for different…

Doug had forgotten the 5 digit code to his briefcase. However, he did remember five clues: The fifth number plus the third number equals fourteen; The fourth number is one…

Challenge your brain with this interesting brain teaser. Given a number of statement find the solution to the question asked.

A team of 6 girls and 4 boys put together a 2200-piece jigsaw puzzle in 4 hours. The same jigsaw puzzle was put together in 8 hours by a team of two girls and five boys.

Who are better at putting jigsaw puzzles together, boys or girls, and by how much?

Insert +, -, x or / in suitable places on the left hand side of = so as to make the above equation true:

Can you figure out a way for four people to cross a rickety bridge in exactly (or under) 17 minutes?

Discuss. No electoral system will ever produce the right leaders.