Multiple choice

Find the approximate value of the following: 63.11% of 728 + 78.36% of 1004 = ?

  1. 1180

  2. 1210

  3. 1240

  4. 1290

  5. None of these
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C Correct answer
Explanation

0.63 * 728 + 0.78 * 1004 = 458.64 + 783.12 = 1241.76. The closest value is 1240.

AI explanation

Using the approximation method, we estimate 63.11% of 728 as 63% of 728, which is 458.64. We then estimate 78.36% of 1004 as 78% of 1004, giving 783.12. Adding these two products gives a total of 1241.76, making 1240 the closest approximate value.

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