Ultraviolet radiation is used to kill microorganisms, molds and fungus in various environmental applications. UV sterilization is used for air-purification systems, water purification, aquarium and pond maintenance, laboratory hygiene and food and beverage protection.
98 219 75 244 ? 273
6 7 15 46 185 ?
...If 152, 242, x , 332, 404, 314,
then find the value of (2x – 1)?
...There are 3 series, you have to find value of a, b, c and then establish relation among a,b,c.
19, 25, 45, a, 553, 2767
1560 760 360 160 6...
18 22 49 ? 190 226
...9134 170 ? 577 1306
...61, 48, ?, 35, 87, 22
22 39 58 81 ? 141
462 478 510 558 ?
...318 228 148 78 18 ?