Calculate the number 5187
[6684] Calculate the number 5187 - NUMBERMANIA: Calculate the number 5187 using numbers [8, 4, 2, 5, 73, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 8 - The first user who solved this task is Nasrin 24 T
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Calculate the number 5187

NUMBERMANIA: Calculate the number 5187 using numbers [8, 4, 2, 5, 73, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Defective nails...?

Two guys were doing construction on a house. One of them who was nailing down siding would reach into his nail pouch, pull out a nail, and then either toss it over his shoulder or nail it into the siding.

The other guy, figuring this was worth looking into, asked, "Why are you throwing those nails away?"

The first guy explained, "If I pull a nail out of my pouch and it's pointed towards me, I throw it away 'cause it's defective. If it's pointed toward the house, then I nail it into the siding."

The second guy was outraged. He yelled, "You moron! The nails pointed towards you aren't defective! They're for the other side of the house!"

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Robert Whitehead

Died 14 Nov 1905 at age 82 (born 3 Jan 1823).British engineer who invented the modern torpedo. His first torpedo lacked speed and range. However, by 1870 he had managed to increase its speed to 7 knots and could now hit a target 700 yards away. The following year the British Navy purchased Whitehead's invention. Although a spar torpedo, a charge attached to a long pole and carried by a small boat, had been used during the American Civil War, Robert Whitehead was the first to produce a self-propelling torpedo. Whitehead's torpedo was propelled by a compressed-air engine, carried 18lbs. of dynamite. Its most important feature was a self-regulating device which kept the torpedo at a constant preset depth. Edison made a movie of a Whitehead torpedo launch (1900).
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