Question
Select the option that is related to the third number
in the same way as the second number is related to first number. 24 : 126 :: 48 : ?Solution
5² - 1 = 24; 5³ + 1 = 126 7² - 1 = 48; 7³ + 1 = 344
The refractive index of water and turpentine oil are 1.33 and 1.47, respectively. A ray of light travels from
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