Question
If the sum of two numbers is 33 and their difference is 15, the smaller number is :
Answer: Option A
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Let the numbers be `x` and y.
Then, `x` + y = 33 ................................(i) and `x` - y = 15 .................................(ii)
solving (i) and (ii), we get `x` = 24, y= 9
`:.` Smaller number = 9.
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