Question

ones wheight is decresed by 2% due to illness now he weight 58.8 then what was his weight before illness
a) 60 kg
b) 62 kg
c) 61 kg
d) 63 kg

Answer 1

Answer:

Answer is a) 60

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Answer 2

Answer:

His weight before illness is $60$ kg.

Step-by-step explanation:

• Let, ones age before his illness be $x$ years.
• Weight decreased in the illness = $2$%
• Present weight = $58.8$ kg
• We have to find the his weight before illness.
• To find the weight before illness, the required equation according to given data becomes,

          $x-2$% of $x=58.8$

         ∴ $x-\frac{2}{100} *x=58.8$

             ∴ $\frac{100x-2x}{100} =58.8$

                 ∴ $98x=58.8*100$

                 ∴ $98x=5880$

                    ∴ $x=\frac{5880}{98}$

                    ∴ $x=60$ kg

• ∴ His weight before illness is $60$ kg.