Find out the wrong number in the series 3, 7, 15, 39, 63, 127, 255, 511
Answer: C
Go on multiplying 2 and adding 1 to get the next number.
So, 39 is wrong
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Find the one which does not belong to that group ?
Answer: C
Except 4242, all other numbers are divisible by 11.
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Find the one which does not belong to that group ?
Answer: A
All are blood relation except Daughter-in-law.
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Find the odd man out. 2, 5, 10, 17, 26, 37, 50, 64
Answer: D
(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1
But, 64 is out of pattern.
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Find the odd man out. 10, 25, 45, 54, 60, 75, 80
Answer: C
Each of the numbers except 54 is multiple of 5.
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Find out the wrong number in the given sequence of numbers 52, 51, 48, 43, 34, 27, 16
Answer: B
Subtract 1, 3, 5, 7, 9, 11 from successive numbers.
So, 34 is wrong.
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Find the odd man out. 3, 5, 7, 12, 17, 19
Answer: D
Each of the numbers is a prime number except 12.
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Find the one which does not belong to that group ?
Answer: D
All except Architect are manufactures.
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Find out the wrong number in the given sequence of numbers 1, 8, 27, 64, 124, 216, 343
Answer: D
The numbers are 1⊃3;, 2⊃3;, 3⊃3;, 4⊃3; etc. So, 124 is wrong; it must have been 5⊃3; i.e., 125.
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Find the one which does not belong to that group ?
Answer: C
42624, 37573, 74347 and 93339 are palindromes but not 84284.
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