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Boys : Girls = (x+3) : (x+7) Total number of students = 5400 => x + 3 + x + 7 = 5400 => 2x + 10 = 5400 => 2x = 5390 => x = 2695
8 27 64 125 ? 343
...12, 19, 32, ?, 76, 107
9 19 39 ? 159 319
36 37 33 42 ? 51 15
...69, 35.5, 39.5, 68.25, 152.5, ?
166 156 136 ? 66 16
What will come in the place of questions (?) mark in the following questions.
1204, 1218, ? , 1267, 1302, 1344
18, 54, ? , 1890, 17010, 187110