Question
Out of the four given equations, the first three are
solved based on a certain system. Find the correct answer for the unsolved fourth equation on the same basis. 3 & 7 = 64 6 & 6 = 109 9 & 8 = 217 10 & 9 = ?Solution
Given equations, 3 & 7 = 64 → 3 × 7 × 3 + 1 = 64 6 & 6 = 109 → 6 × 6 × 3 + 1 = 109 9 & 8 = 217 → 9 × 8 × 3 + 1 = 217 For the fourth equation: 10 & 9 → 10 × 9 × 3 + 1 = 271
169, 224, 293, 385, 497, 629
Find the wrong number in the given number series.
20, 33, 50, 69, 93, 121
25Â Â Â 26Â Â Â Â 28Â Â Â Â 32Â Â Â Â 42Â Â Â Â 56
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
8137, 5405, 3669, 2701, 2201, 1997
Find the wrong number in the given number series.
78, 66, 51, 39, 20, 12
2824Â Â Â Â 2314Â Â Â Â Â 1973Â Â Â Â 1759Â Â Â Â 1634Â Â Â Â 1574
In each of the following number series, one term is wrong. Find the wrong term.
3, 7, 13, 21, 31, 42, 57
Find the wrong term in the given series below.
2847, 2954, 2799, 3088, 2727, 3256
Find the wrong number in the given number series.
2, 5, 10, 17, 26, 38, 50
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