Solve any two sub questions from the following :
Shamrao grows mangoes in `3/7` th part of his orchard, oranges in `2/5` th part and banana in the remaining part. If the area of the orchard is 70 acres, in how many acres of orchard does he grow banana

Explanation

To solve the problem step by step, we need to find out how many acres of the orchard Shamrao uses for growing bananas.

### Step 1: Calculate the area used for mangoes
Shamrao grows mangoes in \( \frac{3}{7} \) of his orchard. The total area of the orchard is 70 acres.

\[ \text{Area for mangoes} = \frac{3}{7} \times 70 \]
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