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Interview Q&A / Aptitude

INTERVIEW Q&A · 116 QUESTIONS

Aptitude interview questions

Quantitative shortcuts for placement tests: percentages, time and work, and more.

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  1. A bag has ₹1, 50-paise and 25-paise coins in the ratio 5 : 6 : 8, worth ₹210 in total. How many coins of each kind are there?

    105 one-rupee, 126 fifty-paise and 168 twenty-five-paise coins. Take counts 5x, 6x, 8x. Their value is 5x + 3x + 2x = 10x rupees = 210, so x = 21.

    IntermediateQuick answer1 min read
  2. The incomes of two people are in the ratio 4 : 3 and their expenses in the ratio 3 : 2. If each saves ₹6,000 a month, what are their incomes?

    ₹24,000 and ₹18,000. With incomes 4x, 3x and expenses 3y, 2y: 4x - 3y = 6,000 and 3x - 2y = 6,000. Solving gives x = 6,000 and y = 6,000.

    IntermediateQuick answer1 min read