1.

Ratio of three numbers is of 7 : 3 : 5. If their sum is 7200, then what is the sum of the largest and the smallest number?1. 58002. 48003. 57604. 4640

Answer» Correct Answer - Option 2 : 4800

Given:

Ratio of three numbers = 7 : 3 : 5

Sum of the three numbers = 7200

Calculation:

Let the numbers be 7x, 3x and 5x

Then, according to the question,

7x + 3x + 5x = 7200

⇒ 15x = 7200

⇒ x = 480

⇒ 7x = 3360, 3x = 1440

7x + 3x = 4800

∴ Sum of the largest and smallest number = 4800



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