Let Akhil's weight = p kg ⇒ Shreyon's weight = 2p kgNani's weight = 0.9 x 2p = 1.8p kg ⇒ Arun's weight = 1.4p kgRequired perce ...

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Aruns weight ...

Question

Aruns weight is 140% of Akhils weight. Nanis weight is 90% of Shreyons weight. Shreyons weight is twice as much as Akhils. What percentage of Aruns weight is Nanis weight?

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Solution

Let Akhil's weight $= p$ kg
$\Rightarrow$ Shreyon's weight $= 2 p$ kg
Nani's weight $= 0.9 x 2 p = 1.8 p$ kg
$\Rightarrow$ Arun's weight $= 1.4 p$ kg
Required percentage $= \frac{1.4 p}{1.8 p} \times 100 = 77.8 % = 78 %$

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