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Most of the ultraviolet radiation in sunlight is absorbed by oxygen in Earth's atmosphere, which forms the ozone layer of the lower stratosphere. UV light is found in sunlight (where it constitutes about 10% of the energy in vacuum) and is emitted by electric arcs and specialized lights such as black lights. It can cause chemical reactions, and causes many substances to glow or fluoresce. Most ultraviolet is classified as non-ionizing radiation.
How many numbers are immediately preceded and succeeded by symbol?
6 7 @ # 2 8 8 $ 5 4 % 5 ! & # * 7 * + 9
Select the set in which the numbers are NOT related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on th...
Select the option that is related to fourth number in the same way as the first number is related to the second number and the fifth number is related t...
16, 18, 39, 111, 489, 2451
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
P __ I __ __ L...
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
...Select the option that is related to third letter cluster in the same way second letter cluster is related to first letter cluster.
CARTAGE: ZZXV...
Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.
F _ F U _ T ...
Select the option that is related to the third number in the same way as the second number is related to the first number.
223 : 350 :: 519 : ?
