🧮 Mental AbilityRailway Recruitment Boards

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Syllabus

RRB Mental Ability chapters

In the order you should study them.

🧮 1 chapters, in order1 chapter
  1. Data Interpretation & Data Sufficiency

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Try a real Mental Ability question

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From the chapter: Data Interpretation & Data Sufficiency

In a pie chart, a component that forms 25% of the total will be represented by a central angle of:

Show the answer and why

Answer: C.

The whole circle is 360° = 100%, so 1% = 3.6°. Therefore 25% × 3.6 = 90°. (Equivalently, one quarter of 360° is 90°.)

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