Question
11 46 109 208 351
? What will come in the place of question (?) mark in following number series?Solution
The pattern is: 11 + 5 × 7 = 46 46 + 7 × 9 = 109 109+9 × 11 = 208 208 + 11 × 13 = 351 351 + 13 × 15 = 546
A sequence {Sₙ} is defined by:
Condition I: S₁ = 3 and for all n ≥ 2, Sₙ = 2·Sₙ₋₁ + (−1)ⁿ.
Condition II: The second ter...
27 44 63 86 ? 146
6 16 116 566 2272 6814
11 a�...
100, 110, ?, 171.6, 240.24, 360.36
31 16.5 18 �...
104 136 152 160 164 ?
...30 32 67 206 ? 4166
625, 5, 125, 25, 25, ? , 5
16 4 2 1.5 1 1.875
...130 155 146 195 186 ?
...