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GATE 2018 ME (ME1) – Question 3

General Aptitude · Quantitative Aptitude: Arithmetic and Number Computation · 1 mark · Multiple choice

Seven machines take 7 minutes to make 7 identical toys. At the same rate, how many minutes do 100 machines take to make 100 toys?

  1. 1
  2. 7
  3. 100
  4. 700

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Show answer and explanation

Correct answer: (B) 7

Explanation

Each machine makes one toy in 7 minutes. With 100 identical machines working in parallel, each makes one of the 100 toys in the same 7 minutes. Answer B.