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 average of 11 results is 50. The average of the first six is 49 and of the last six is 52. What is the sixth result?

    56. The first six and the last six together count the sixth result twice: 6 x 49 + 6 x 52 = 294 + 312 = 606, while all 11 total 550. The extra 56 is the sixth result.

    BeginnerQuick answer1 min read