Interview Q&A / Aptitude

INTERVIEW Q&A · 116 QUESTIONS

Aptitude interview questions

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

  1. The sum of the ages of 5 children born at intervals of 3 years each is 50 years. What is the age of the youngest child?

    4 years. If the youngest is x, the others are x + 3, x + 6, x + 9 and x + 12. So 5x + 30 = 50 and x = 4. The ages are 4, 7, 10, 13 and 16.

    BeginnerQuick answer1 min read