Question
Select the number from the given options which will
replace the question mark in the following series. 92, 100, ? , 173, 198, 414Solution
The logic followed here is: 92 + (2)³ = 92 + 8 = 100 100 + (3)² = 100 + 9 = 109 109 + (4)³ = 109 + 64 = 173 173 + (5)² = 173 + 25 = 198 198 + (6)³ = 198 + 216 = 414
Complete the series: 5, 20, 24, 6, 2, 8,?
16    9    11   26    ?    912
24  12  18  ?  157.5  708.75  3,898.125
If  7     43    x     1311    5247       15739
Then, x - x/2 + 2 = ?
...Find sum of first n terms: 2 + 6 + 12 + 20 + 30 + …
41 48 89 137 226 ?
...362Â Â Â 284Â Â Â 393Â Â Â Â 451Â Â Â Â 144Â Â Â Â Â 221
...45    47    97    296    ?     5966
12, 20, 36, ?, 132, 260
351Â Â Â 261Â Â Â 181Â Â Â 111Â Â Â 51Â Â Â ?