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richard dindin

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last 3 solved tasks
Which number should replace the question mark? Author: Sumbul Azeem
MATH PUZZLE: Can you replace the question mark with a number?
If ROSE is coded as 6821, CHAIR is coded as 73456 and PREACH is coded as 961473 what will be the code for SEARCH?

Balloon flight

In 1783, Jean Francois Pilatre de Rozier, a professor of physics and chemistry, and the Marquis Francois Laurant d'Arlandes became the first men to make a free flight. Their hot-air balloon lifted off from La Muettte, a royal palace in the Bois de Boulogne, Paris. They flew nearly 6 miles in 25 mins, reaching an altitude, it is thought, of around 3000-ft (though this is poorly documented). Spectators included Ben Franklin and King Louis XVI, who offered to send two prisoners, but Rozier wanted to deny criminals the glory of being the first men to go into the atmosphere. The Montgolfier brothers, Étienne and Joseph, had publicly demonstrated the first unmanned hot-air balloon a few months earlier, 5 Jun 1783, and a second with animals on 19 Sep 1783 to verify that air travel was safe for live beings. Pilatre began with low, tethered flights on 15-19 Oct 1784. After Pilatre, gas balloons were favoured.«

Ten Dog Rules

1. The dog is not allowed in the house.
2. Okay, the dog is allowed in the house, but only in certain rooms.
3. Okay, fine, the dog is allowed in all rooms, but has to stay off the furniture.
4. The dog can get on the old furniture only.
5. Fine, the dog is allowed on all the furniture, but is not allowed to sleep with the humans on the bed.
6. Okay, the dog is allowed on the bed, but only by invitation.
7. The dog can sleep on the bed whenever he wants, but not under the covers.
8. The dog can sleep under the covers by invitation only!
9. The dog can sleep under the covers every night.
10. Humans must ask permission to sleep under the covers with the dog.
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