Latest csc Aptitude Question SOLUTION: find out the wrong number in the given sequence of numbers 15,16,34,105,424,2124,12756

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(#M40154707) CSC Numerical Ability question finding odd numbers in sequence Keep an EYE

find out the wrong number in the given sequence of numbers
15,16,34,105,424,2124,12756

Asked In csc snehal (9 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

SHIRISHA  (9 years ago)

15*1+1=16
16*2+2=34
34*3+3=105
105*4+4=424
424*5+5=2125
2125*6+6=12756
wrong number is 2124

Is this solution Helpfull? Yes (5) | No (2)  

Rahul kumar  (8 years ago)

answer is 2124 so this series it should be replace by 2125

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saurav justin  (8 years ago)

wrong answer is 2124 because 424*5+5=2125

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shahnaz  (8 years ago)

2nd term = (1st term) x 1 + 1 = 15 x 1 + 1 = 16.

3rd term = (2nd term) x 2 + 2 = 16 x 2 + 2 = 34.

4th term = (3th term) x 3 + 3 = 34 x 3 + 3 = 105.

5th term = (4th term) x 4 + 4 = 105 x 4 + 4 = 424

6th term = (5th term) x 5 + 5 = 424 x 5 + 5 = 2125

6th term should 2125 instead of 2124.

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