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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
What is the next term in the series 6, 20, 42, 72, 110, ... is
(a) 156
(b) 210
(c) 110
(d) 119
Solution
Given series: $6,\,20,\,42,\,72,\,110,\,\_\_$
First differences: $14,\,22,\,30,\,38$
Second differences: $8,\,8,\,8$ (constant)
Next first difference $= 38 + 8 = 46$
Next term $= 110 + 46 = 156$
Answer: $\boxed{156}$ ✅
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