1.

The cost of 1 kg apple is Rs 460,then the cost of 2/5 kg of apple is​

Answer»

Answer:

Given :

Cost of 1 kg Almonds = Rs. 460

To FIND :

The Cost of \tt\dfrac{2}{5}

5

2

kg Almonds.

Solution :

\textbf{Method I}Method I

By Proportion -

Consider the cost of \tt\dfrac{2}{5}

5

2

kg Almonds as x

1 : 460 : : \tt\dfrac{2}{5}

5

2

: x

Mean Terms = 460 and \tt\dfrac{2}{5}

5

2

Extreme Terms = 1 and x

\boxed{\sf{Mean \times Mean\:Terms = Extreme \times Extreme \:Terms}}

\sf{\<klux>IMPLIES</klux>} \: 460 \times \dfrac{2}{5} = 1 \times x⟹460

×

5

2

=1×x

\sf{\implies} \: 92 \times 2 = x⟹92×2=x

\sf{\implies} \: x = 184⟹x=184

\therefore∴ The cost of \tt\dfrac{2}{5}

5

2

kg Almonds is Rs. 184.


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