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Q.

A number when added to its half gives 36. Determine the number.


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a

24

b

28

c

20

d

18  

answer is A.

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Detailed Solution

Given, the result of adding half of a number to itself =36.
Let the number be x.
According to given condition,
⇒ x+x2=36  ⇒3x2=36  ⇒ x=24
Hence, the correct option is 1.
 
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