Question

Cost of 5 dozen bananas is Rs 300 how many bananas purchased in Rs 20

Answer 1

This your answer. ..hope it helps you☺

Answer 2

Answer:

Step-by-step explanation:

1 Dozen = 60 bananas

5 Dozens = $12\times5$

                = 60 bananas

| Cost   |300| 20|

|Dozen|60   |  x |

=> By direct proportion

= $\huge\frac {300}{60} \times \huge\frac {20}{x}$

$\huge\frac {20\times60}{300} = 4 bananas$

x  =  4  bananas.

Another method -

1 Dozen = 60 Banana

5 Dozens = $12\times5$

                = 60 bananas.

Now,

Cost of 60 bananas = 300 Rs

Cost of 1 banana = $\huge\frac {300}{60}$

                            = 5 Rs

Now,

No. of banana brought in 5 Rs = 1

No. of bananas brought in 20 Rs = $\huge\frac{20}{5}$

                                                       = 4 bananas ( Ans ).