In each of the following questions, one term in the number series is wrong. Find the wrong term
10, 26, 74, 218, 654, 1946, 5834
Answer: D
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3, 7, 15, 39, 63, 127, 255, 511
Answer: A
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56, 72, 90, 110, 132, 150
Answer: E
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1, 2, 6, 15, 31, 56, 91
Answer: D
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125, 126, 124, 127, 123, 129
Answer: E
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In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern.
1, 4, 9, 16, 25, ?
Answer: B
The numbers are \({1^2} , {2^2}, {3^2} , {4^2} , {5^2} \)
So the missing number is \({6^2} = 36.\)
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6, 11, 21, 36, 56, ?
Answer: C
The pattern is + 5, + 10, + 15, + 20, ...
So, missing term = 56 + 25 = 81.
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1, 4, 10, 22, 46, ?
Answer: C
Explanation:
The pattern is + 3, + 6, + 12, + 24,.....
So, missing term = 46 + 48 = 94.
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28, 33, 31, 36, ?, 39
Answer: B
Explanation:
The pattern is + 5, - 2, + 5, - 2,.....
So, missing term = 36 - 2 = 34.
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1, 6, 13, 22, 33, ?
Answer: D
The pattern is \(+5, +7, +9, +11,..\)
So the missing number \(= 33+13=46\).
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