Latest Bank Exam Aptitude Question SOLUTION: 12, 12, 18, 45, 180, 1170, ? 16, 14, 24, 66, 256, 1270, ?

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(#M40037740) BANK EXAM Logical Reasoning question reasoning Keep an EYE

12, 12, 18, 45, 180, 1170, ?

16, 14, 24, 66, 256, 1270, ?

Asked In Bank Exam aniruddha Ghosh (9 years ago)

Solved divya teja Read Solution (1)

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divya teja  (9 years ago) Best Solution

Here's the solution:

Lets name the general term of the sequence T(n)

The sequence (say R(n)) where R(n)=T(n+1)/T(n)
is 1,1.5,2.5,4,6.5...

The sequnece (say S(n)) where S(n)=R(n+1)-R(n)
is 0.5,1,1.5,2.5....


Thus S(n) can be thought of a fibonacci style sequence where S(n)=S(n-1)+S(n-2)
Considering this relation, the next term in S(n) would be 1.5+2.5=4

Considering this, the next trem in R(n) would be 6.5+4=10.5

Thus the next term in T(n)=1170*10.5 = 12285

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