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The Boiling point of a substance is the temperature at which the vapour pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapour. The boiling point of a liquid varies depending upon the surrounding environmental pressure.
Four terms are in proportion. The first, second and fourth terms are 4, 22, and 33. Find the third term.
64 66 76 126 376 ?
...19 20 42 129 ? 2605 .
62 123 214 341 ? 727
...29 51 95 183 ? 711
43 ? 45 39 47 37
...1 2 6 ...
157, 159, 189, 319, ‘?’, 1 407 , 2749
32,128, ?,2048,8192, 32768
10 19 58 ...