Multiple choice

A number is divided in the ratio 3 : 5. If the larger part is 10, find the number.

  1. 20

  2. 8

  3. 10

  4. 16
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D Correct answer
Explanation

The ratio is 3:5. Let the parts be 3x and 5x. The larger part is 5x = 10, so x = 2. The total number is 3x + 5x = 8x = 8 * 2 = 16.

AI explanation

The number is divided into two parts with a ratio of 3 : 5, meaning the larger part represents 5 units out of the total 8 units. If the larger part is 10, then one unit equals 10 divided by 5, which is 2. The total number is 8 units multiplied by 2, resulting in 16.

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