Question
22 62
178 522 1550 ? What should come in place of question mark (?) in the following number series?Solution
22 × 3 – 4 = 66 – 4 = 62 62 × 3 – 8 = 186 – 8 = 178 178 × 3 – 12 = 534 – 12 = 522 522 × 3 – 16 = 1566 – 16 = 1550 1550 × 3 – 20 = 4560 – 20 = 4630
4, 5, 11, 34, 137, ?
Find the missing number in the given number series.
305, 316, 302, ?, 295, 346
7, 8, ?, 52, 209, 1046
84, 63, ?, 283.5, 1701
What will come in the place of questions (?) mark in the following questions.
53, 55, 61, 71, 85, ?
13, 29, 65, 129, ?, 373
16, 24, ?, 64, 104, 168, 272
36 37 33 42 ? 51 15
...380, ?, 360, 324, 260, 160
12, 24, 46, 78, 120, ?