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GATE 2019 ME (ME1) – Question 9

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

A firm employs workers at five skill levels P, Q, R, S and T. The 2010 shares are shown in the pie chart. Total employment was 600 in 2010 and increased by 15% by 2016. Counts at P, Q and R stayed unchanged, while S increased by 40%. How many employees were at T in 2016?

Diagram for GATE 2019 ME (ME1) question 9
  1. 30
  2. 35
  3. 60
  4. 72

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Show answer and explanation

Correct answer: (C) 60

Explanation

Total employment becomes $600(1.15)=690$. P, Q and R total $600(0.70)=420$. S becomes $600(0.25)(1.40)=210$. Hence T has $690-420-210=60$ employees. **C**.