GATE 2024 ST – Question 8

General Aptitude · Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation · 2 marks · Multiple choice

The pie charts show generation shares in 2007 and 2023. Renewable sources are Hydro,Solar,Wind. With total electricity generation unchanged, find the percentage increase in renewable generation share.

25%
50%
77.5%
62.5%

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Show answer and explanation

Correct answer: (D) 62.5%

Explanation

In 2007 renewables total 30+5+5=40%; in 2023 they total 35+20+10=65%. Relative increase=(65−40)/40×100=**62.5%, D**. The increase in percentage points is 25, a different quantity.

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