Question

In a garden, there are B rows and 10 columns of papaya trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is

विकल्प

• 24 metres

• 14 metres

• 20 metres

• 18 metres

Answer 1

20 metres

Explanation:

Distance from 1st to 10th tree = 9 × 2 = 18

Total length = (18 + 1 +1) = 20 m