3 | 10 | 32 | 111 | 460 | 2315 |
2 | (a) | (b) | (c) | (d) | (e) |
Which of the following numbers will come in place of (b)? |
The given series is in the below pattern ,
First series :-
First term = 3
Second term = First term × 1 + 7 × 1
? Second term = 3 × 1 + 7 × 1 = 3 + 7 = 10
Third term = Second term × 2 + 6 × 2
? Third term = 10 × 2 + 6 × 2 = 20 + 12 = 32
similarly , we can calculate the all next terms .
Second series :-
First term = 2
Second term = First term × 1 + 7 × 1
? Second term = 2 × 1 + 7 × 1 = 2 + 7 = 9
Third term = Second term × 2 + 6 × 2
? Third term = 9 × 2 + 6 × 2 = 18 + 12 = 30
Hence , the place value of ( b ) is 30 .
Second is the square of the first number.
As, 112 = 121
Similarly, 252 = 625
In all except (c), second is attached with first.
In all pairs except (c), second is the related to first.
In all other groups, there is a gap of one letters as in the alphabet between second and third letters.
In all other groups, there is a gap of one letters as in the originaly alphabet between second and fourth letters.
In all other groups, the second and first letters are three steps ahead of third and second letters, respectively.
Except (d), all three are same because in those three options first and fourth, second and third are opposite letters.
Except 'PRU', all others having same gap but 'PRU' is not following the same rule.
'Swan' does not belong to that group because swan is a water bird while others are not water birds
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