CAT
Exam
Numerical Ability
Sequence and Series
In an arithmetic series, the 3rd term is equal to 114 and the last term is equal to -27. The sum of all terms in the series is equal to 2325. What are the last three terms in the series?
Read Solution (Total 1)
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- a+2d= 114
a= 114-2d
a+(n-1)*d= -27
From these eqns, we get
d=-3, n=50
hence last 3 terms are
-21,-24,-27 - 12 years agoHelpfull: Yes(4) No(1)
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