Multiple choice

(\text{What approximate value should come at place of question mark (?) in the following questions?})(\sqrt{5687} \times \sqrt{1245} \div \sqrt{689} = ? \div 13)

  1. 1320

  2. 1390

  3. 1480

  4. 1260

  5. 1500

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

√5687 ≈ 75.4, √1245 ≈ 35.3, √689 ≈ 26.3. LHS = 75.4 × 35.3 ÷ 26.3 ≈ 101.2. So ? ÷ 13 = 101.2, giving ? ≈ 1316. Closest to 1320 (option A).