Q. 54.5( 17 Votes )
find two numbers such as one of them exceed the other by 9 and their sum is 81.
Answer :
One of them exceeds the other by 9, so let the numbers be x & x + 9
Sum of both the numbers is 81
⇒ 2x + 9 = 8 1 ⇒ 2x = 72
⇒ x = 36
They are 36 and 45
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