GATE 2019 CY – Question 9

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

A firm had 600 employees in 2010, divided among skills P,Q,R,S,T as shown. Total employment grew 15% by 2016. Numbers at P,Q,R stayed unchanged and S grew 40%. How many T employees were there in 2016?

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Correct answer: (C) 60

Explanation

The chart gives P+Q+R=20+25+25=70%, hence 420 employees unchanged. S initially has 25%×600=150 and rises to 210. New total is 600×1.15=690. Thus T=690−420−210=60, C.

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