Home›MPPSC Forest›State Forest Service Mains Exam›Section 'B': Forestry and General Science›UNIT-10: Elementary Mathematics and General Mental Ability›Numerical ability, reasoning, coding, data analysis and interpretation and analogy›The missing number in the sequence 2, 6, 12, ___, 30 is

The missing number in the sequence 2, 6, 12, ___, 30 is

20233M#mppsc-forest#pyq#mcq#2023
A.15
B.18
C.20Correct
D.25
Explanation & Solution

Correct Answer: (C) 20

The sequence follows the pattern n² + n for n = 1, 2, 3, 4, 5: (1²+1=2, 2²+2=6, 3²+3=12, 4²+4=20, 5²+5=30). Thus, the missing number is 20.

हिंदी में प्रश्न एवं आदर्श उत्तर

अनुक्रम 2, 6, 12, ___, 30 में रिक्त स्थान की पूर्ति हेतु सही संख्या है

A.15
B.18
C.20सही
D.25

सही उत्तर: (C) 20

दी गई श्रेणी n² + n (जहाँ n = 1, 2, 3, 4, 5) के पैटर्न का अनुसरण करती है। अतः चौथे पद हेतु 4² + 4 = 20 प्राप्त होता है।

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