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5 9 26 90 13 (a) (b) (c) (d) (e) Which of the following numbers will come in place of (e)?

Correct Answer:

Explanation:

The given series is in the below pattern ,
First series :-
First term = 5
Second term = First term × 1 + 4
Second term = 5 × 1 + 4 = 9
Third term = Second term × 2 + 8
Third term = 9 × 2 + 8 = 26
similarly , we can find the all others terms .
......... and so on .
Second series :-
First term = 13
Second term = First term × 1 + 4
Second term = 13 × 1 + 4 = 17
Third term = Second term × 2 + 8
Third term = 17 × 2 + 8 = 42
Fourth term = Third term × 3 + 12
Fourth term = 42 × 3 + 12 = 138
Fifth term = Fourth term × 4 + 16
Fifth term = 138 × 4 + 16 = 568
Sixth term = Fifth term × 5 + 20
Sixth term = 568 × 5 + 20 = 2860
Hence , the place value of ( e ) is 2860 .


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