Multiple choice

In the following question, find the approximate value which will come in place of the question mark (?). (\frac{1}{7.99} + \frac{1}{11.96} - \frac{1}{3.94} + \frac{1}{?} = 0)

  1. 24

  2. 26

  3. 36

  4. 34

  5. 44

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Approximate the fractions: 1/7.99≈1/8=0.125, 1/11.96≈1/12≈0.083, 1/3.94≈1/4=0.25. Then 0.125+0.083-0.25=-0.042. For the sum to be 0, 1/x≈0.042, so x≈1/0.042≈24.