Question

The doctor has told Devi Prasad to run 2 km every day to stay fit. He took one round of this field. i) Find the distance covered in one round. ii) How many rounds of the park must Devi Prasad take to complete 2 km?​

Answer 1

Answer:

2000km

Step-by-step explanation:

Answer 2

For one round, Devi Prasad has to cover a distance of 2000 m. and Devi Prasad will take 5 rounds to cover 2 kms. of the park.

Step-by-step explanation:

(i) Devi Prasad has to run about a field which is a square field and each side of the field measures 500 m each. Thus, for Devi Prasad to run for one single round of the field, he has to cover the entire field and come back to the starting or initial position. Now, he then covers a distance of,

500 + 500 +500 + 500

=4 * 500

=2000 m.

Therefore, for one round, Devi Prasad has to cover a distance of 2000 m.

Now, Devi Prasad had to cover 2000 m that is 2 km for one round since 1 km is equal to 1000 m.

(ii) Now, the length of the boundary of the park is equal to 400 m.

Therefore, Devi Prasad is able to cover 400 m. in one single round.

Then, Devi Prasad is able to cover 1 m. in $\frac{1}{400}$ th round.

Then, Devi Prasad is able to cover 2 km. = 2000 m. in $\frac{1}{400}* 2000 = 5$ rounds.

Therefore, Devi Prasad will take 5 rounds to cover 2 kms. of the park.

Hence, for one round, Devi Prasad has to cover a distance of 2000 m. and Devi Prasad will take 5 rounds to cover 2 kms. of the park.

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