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(5√P - 7√Q) = 5  Eq.(i) (√P/√Q) = 1.6 √P = 1.6√Q  Eq.(ii) Put Eq.(ii) in Eq.(i). (5x1.6√Q - 7√Q) = 5 (8√Q - 7√Q) = 5 √Q = 5  Eq.(iii) So Q = 25   Eq.(iv) Put Eq.(iii) in Eq.(ii). √P = 1.6x5 √P = 8 So P = 64 [1.5P = 4Q-(R/3)+9] Put the value of ‘P’ and ‘Q’ in the above equation. [1.5x64 = 4x25-(R/3)+9] [96 = 100-(R/3)+9] [96 = 109-(R/3)] (R/3) = 109-96 (R/3) = 13 Value of ‘R’ = 13x3 = 39
15, 120, 840, 5040, ?, 100800
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...What will come in place of the question mark (?) in the following series?
2.5, 6.5, 18.5, 54.5, 162.5, 486.5, ?
140, 146, 158, 176, ?, 230
17    18      14       ?      7       32
...10, 10, 30, 150, ?, 9450
17, 19, 41, 127, 513, ?Â
116, 118, 124, 136, 156, ?
-1, 5, 23, 59, ?
84, 97, ?, 162, 214, 279