Multiple choice

\text{What approximate value will come at place of question mark (?) in the following questions?}\87.22^2 + 61.79^2 = ? \text{% of } 899 + 41.88^2

  1. 1070

  2. 1040

  3. 1010

  4. 970

  5. 940

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

87.22² + 61.79² - 41.88² = 7610.73 + 3814.84 - 1753.73 = 9671.84. So 9671.84 = ?% of 899. ?% = 9671.84/899 × 100 ≈ 1076.4%. Checking option A: 1070% of 899 = 10.7 × 899 = 9619.3. Adding 41.88² (175.73): 9619.3 + 175.73 = 9795, which is close.