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Question

There are two numbers. If 2490 is subtracted from one number then we get the other number. The algebraic expression depicting this information is:


A

x+b+2490=0

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B

ab=2490

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C

a+b=2490

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D

ay+2490=0

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Solution

The correct option is B

ab=2490


Let the two numbers be a and b.

If 2490 is subtracted from the number, we get a2490

If 2490 is subtracted from a number we get the other number:
a2490=b
ab=2490

The variables can be any two alphabets. They need not necessarily be x and y or a and b.


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