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Question

If the sum of two numbers is 84 and their difference is 30, the numbers are:

A
57 and 27
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B
57 and 27
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C
57 and 27
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D
57 and 27
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Solution

The correct option is B 57 and 27
Given, sum of two numbers is 84.
Let the smaller number be x.
Then, larger number will be 84x.
Given, their difference is 30.
Therefore, 84xx=30
842x=30
8430=2x
54=2x
x=27
Smaller number is 27.
Now, larger number is 84x=8427=57.

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