Q5 of 46 Page 156

find two numbers such as one of them exceed the other by 9 and their sum is 81.

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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