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Monthly Archive - January 2024 (page 4)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 31 to 40. |
. Each of the numbers can be used only once.','/archive/2024/01/01/numbermania-1704067501.png','/calculate-the-number-988/7861'))
NUMBERMANIA: Calculate the number 988 using numbers [1, 8, 8, 2, 61, 510] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. | 1. |  |
H Tav | 5861 |
| 2. |  |
c. raj. | 5777 |
| 3. |  |
Nasrin 24 T | 5731 |
| 4. |  |
Fazil Hashim | 5718 |
| 5. |  |
Thinh Ddh | 5557 |
| 6. |  |
Alfa Omega | 4681 |
| 7. |  |
Djordje Timotijevic | 4549 |
| 8. |  |
Mita Kojd | 4525 |
| 9. | Jakubovski Vladimir | 4443 |
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| 10. | Chandu Rajyaguru | 4419 |
Frederick WaltonDied 16 May 1928 at age 94 (born 13 Mar 1834).English inventor who invented linoleum (pat. app. 19 Dec 1863, No. 3210). His 88 patents included artificial leather, distillation, plastics, flexible metal tubing, and Lincrusta, an embossed linoleum wall covering (1877). He was a self-described “practical utilitarian of the nineteenth century,” with no education in chemistry or engineering. Before linoleum, he patented (Sep 1861) a varnish applicable to the waterproofing and coating of fabrics. In Jan 1862 he applied with his brother for a patent in which textile card brushes had the short wire bristles held in an india rubber backing. Walton started in the family business of processing India rubber. He developed linoleum from observing the plastic dried surface layer of linseed oil-based paint, which he first investigated as an alternative to rubber and led to linoleum.« |