Latest GENPACT Aptitude Question SOLUTION: Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank? A. 13 B. 15 C. 20 D. 28

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(#M40005238) GENPACT Numerical Ability question Series Keep an EYE

Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?

A. 13 B. 15
C. 20 D. 28

Asked In GENPACT (12 years ago)

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Priya Kumar  (9 years ago)

A.13
Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.

First series:4,4+3=7,10,10+3=13,16,16+3=19
Second series:25,25-5=20,20-5=15.

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Kevin  (5 years ago)

Answer is 13. Seven is three more than 4 as 19 is three more than 16. So 13 is three more than 10.

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