Question

Forest department conducted a survey to check the growth of trees in a particular order in the

forest such that there are as many rows of trees as columns. They wanted to plant trees to follow

the pattern. The total trees planned in the forest were 43,700.

(i) If the department tries to relocate few trees so that the number of rows and number

of columns are equal, how many trees needs to be relocated to form equal rows and

equal columns?

(a) 39 (b) 29 (c) 19 (d) 119

(ii) If every tree occupies 3m of length and width, what will be the length of the

planned forest?

(a) 1881 m (b) 627 m (c) 1254 m (d) 660m

(iii) Considering the environmental advantages in mind, the department decided to plant

more trees to make the number of rows and columns equal, how many trees more

do they need to plant to make it?

(a) 319 (b) 419 (c) 409 (d) 429

(iv) The department decides to fence the forest after increasing the number of trees in

the forest. If each tree needs 3m length and 3m in breadth and leaving a walk way

of 3m all around, the area of the fenced space will be

(a) 46,656

2 m (ii) 404496

2 m (iii) 400689

2 m (iv) 465000

2 m​

Answer 1

Answer:

1. 80/28

2. length of planned forest 43700/3