Multiple choice

What approximate value should come at place of question mark (?) in the following questions?(1.24\times6.25-3.11\times0.75+18\div4.44=?-3.25^2)

  1. 18

  2. 20

  3. 24

  4. 14

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

Calculate: 1.24 × 6.25 = 7.75; 3.11 × 0.75 = 2.3325; 18 ÷ 4.44 ≈ 4.054; 3.25² = 10.5625. LHS = 7.75 - 2.3325 + 4.054 = 9.4715. So ? = 9.4715 + 10.5625 = 20.034 ≈ 20.