The Scott company has cataloged every stamp issued in the world. A Scott number of 760 would indicate that the stamp is for regular postage and is about the 760th stamp issued by that country. It would typically need a country with the number. If this is a US stamp it is a 5 cent vertical format commemorative of Old Faithful with a value of a few dollars.
it means it is 18 carat gold ring or 76% pure gold
760
760
The nearest 10 of 762 is 760.
760
35% of 760= 35% * 760= 0.35 * 760= 266
51% of 760 = 51% * 760 = 0.51 * 760 = 387.6
Look at the date code stamp on the barrel. See related links for information on interpreting these (and there location) on the Remington Society of America.
760
760
760 is right
760