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Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When currentpassesthroughthefilamentitheatsitup. Whenthefilamentreachesacertaintemperature itstartstogiveofflight,that'showwegetalight bulb. The first successful light bulb filaments were made of carbon(fromcarbonizedpaper or bamboo).
A series is 48, 129, 298, 587, 1028, 1653
If another series 150, ___, m, ___, follows the same pattern as the given number series, then find th...
The following numbers form a series followed by a (?). Find the odd one out first and then find that what will come in place of the question mark (?) ac...
30, 39, 66, ? , 174, 255
76, 82, 158, 240, 398, 638, ?
13 26 78 ? 468 936
...342 252 172 102 42 ?
18 32 50 72 98 ?
14 16 20 15 25 13 29 9 32 6
...15 12 5 ? -21 -40
...73920, 9240, ?, 220, 44, 11
