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Let four numbers in increasing order is a, b, c and d. => a + b + c + d = 4 x 16 = 64 => a + d = 45 => b + c = 19 According to question, => c – b = 1 => b = 9, c = 10 => b² = 81
72 85 103 126 154 ?
...9 4.5 4.5 9 36 ?
Direction: Which of the following will replace ‘?’ in the given question?
5, 18, ‘?’, 126, 296, 586, 1044
7 15 44 89 ? 533
...130 155 146 195 186 ?
...1335 737 355 141 47 ?
...D irection: Which of the following will replace ‘?’ in the following series
460, 462, ‘?’, 467.5, 470.97
...16 18 14 20 12 ?
...