Question
The filament of electric bulb is made of
Solution
The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten.
97 106 121 138 157 180
...3,   2,   3,  8,  31,  ?
520Â Â 79Â Â 440Â Â 151Â Â Â 376Â Â Â ?
2342 2223 2090 1943 1782 ?
...17Â Â Â Â Â ? Â Â Â Â Â 2142 Â Â Â Â Â Â 12852 Â Â Â Â Â Â 64260Â Â Â Â Â Â 257040
...21, 22, 48, 153, 628, ?
24 ? 14 16 39 88.5
...2, 12, 90, 240, ?, 1260
To find the Next number in the given series.
6 9 13 19 29 47 ?
...? + (55)2 = (140)2 – (80)2 – 6278