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What approximate value should come at the place of (?) in the following question? √360.80 ÷ 18.98 × 361 + ? + 8.33% of 216 = 400

What approximate value should come at the place of (?) in the following question? √360.80 ÷ 18.98 × 361 + ? + 8.33% of 216 = 400 Correct Answer 21

Concept used:

Follow the BODMAS rule according to the table given below:

[ alt="image" src="//storage.googleapis.com/tb-img/production/21/05/image.png" style="width: 400px; height: 225px;">

Since, we need to find out the approximate value, we can write these values to their nearest integers.

Calculation:

√361 = 19

8.33% = 1 / 12

⇒ √ 360 ÷ 19 × 361 +? + 8.33% of 216 = 400

⇒ (19 ÷ 19) × 361 + (1 / 12 × 216) - 400 = -?

⇒ 1 × 361 + 18 +? = 400

⇒ ? = 21

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