18,876 less than that 2011,
8. The difference of two numbers is 78,318. If the smaller number is 85
number
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18,876 less than that 2011,
8. The difference of two numbers is 78,318. If the smaller number is 85
number
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Explanation:
Difference between two numbers is 5.
Let larger number be x
∴ Other smaller number =x−5
Also given that the difference between there squares is 65
∴(x)
2
−(x−5)
2
=65
⇒x
2
[x
2
+25−10x]=65
⇒x
2
−x
2
−25+10x=65
⇒10x=90
∴x=9
∴ Larger number =x=9