Latest TCS Aptitude Question SOLUTION: 3,22,7,45,15?,31

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(#M40002281) TCS question Keep an EYE

3,22,7,45,15?,31

Asked In TCS manjuladevi (13 years ago)

Unsolved Read Solution (3)

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gaan2000  (13 years ago)

3*2 +1 =7
22*2 +1=45
7*2 + =15
45*2 +1 =91
15*2 +1=31

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geetha  (13 years ago)

ans is 91
3+4=7,22+23=45,7+8=15,45+46=91,15+16=31

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Surendharan  (12 years ago)

series starting from 1st element

difference
7-3= 4
15-7= 8
31-15= 16 Each difference is multiplied by 2

series starting from 2nd element

difference
45-22
=23
So multiply 23 by 2(ans is 46)
Now add 45+46 =91

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