English and Logical Reasoning Prep GuideLogical ReasoningSeries Completion

What comes next in the series: 10, B, 100, D, 200, G, 310, ...?

Options

AJ 400
BK 430
CL 390
DJ 430

Correct answer

B. K 430

Step-by-step solution

The positions of the letters are increasing adding by 2, 3, 4, and 5 alphabet i.e. B+2=D, D+3=G, G+4=K And The positions of the numbers are increasing adding by 90, 100, 110, 120, and so on... i.e. 10+90=100,100+100=200, 200+110=310,310+120=430

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