Find the next term in the series: 2, 6, 12, 20, 30, ?
A. 46
B. 42
C. 44
D. 40
Answer: Option B
Solution (By JKSSB Mock Tests)
The series follows the pattern of adding consecutive even numbers starting from 4: 2+4=6, 6+6=12, 12+8=20, 20+10=30, 30+12=42. Alternatively, n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42.
A person walks 4 km towards West, then turns to his right to travel 9 km. He then turns left and travels 4 km. In which direction is he from the starting point?
Explanation:
West 4, right North 9, left West 4. Net West 8, North 9. Direction North-West but closest North among pure, or the net is North of start primarily? Distance more North, but option pure North not exact. Actual position North-West.
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