Question
In each of the given number-clusters, the number on the
right side of = (the equal to sign) is calculated by performing certain mathematical operations on the two numbers on the left of = (the equal to sign). All three number-clusters follow the same pattern. Select the number from among the given options that can replace the question mark (?) in the third number-cluster. 12, 33 = 57 10, 28 = 48 14, 39 = ?Solution
The logic is- 12 x 2 + 33 = 57 10 x 2 + 28 = 48 14 x 2 + 39 = 67
5Â Â Â Â 3Â Â Â Â Â 3Â Â Â Â Â 5Â Â Â Â Â 15Â Â Â Â ?
6Â Â Â Â Â Â Â Â Â Â Â Â Â Â 16Â Â Â Â Â Â Â Â Â Â Â 116Â Â Â Â Â Â Â Â Â 566Â Â Â Â Â Â Â Â Â 2272Â Â Â Â Â Â Â 6814
11       a�...
Find the wrong number in the given series.
12, 18, 27, 42, 62, 87
13 14 22.5 ? 120 363
...10Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8.5Â Â Â Â Â Â Â Â Â Â 16Â Â Â Â Â Â Â Â Â Â Â Â Â ?
...5Â Â Â Â 13Â Â Â Â 36Â Â Â Â 145Â Â Â Â Â 719Â Â Â Â 4321
31                          16.5                       18                     �...
140Â Â Â Â 300Â Â Â Â 380Â Â Â Â Â 420Â Â Â Â Â 440Â Â Â Â Â ?
...98    148    185    ?     228    238
10 59 ? 1169 3503 7001
...
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