Question

a boy walks 4 time around the park with the length of the major in 120 metre find the recent cover by the boy
​

Answer 1

Answer:

Let the distance of his school from the house be x

⇒ The difference in time =(15−5)min

=10min

=

60

10

hr

=

6

1

hr

⇒ Speed during next journey =10+2=12km/hr

According to the question,

⇒

10

x

−

12

x

=

6

1

⇒

5

x

−

6

x

=

3

1

⇒

30

6x−5x

=

3

1

⇒

30

x

=

3

1

⇒ x=

3

30

∴ x=10km

∴ The distance of boy school from house is 10km

Answer 2

Step-by-step explanation:

The park is square

square ka perimeter = 4×a

= 4×120

= 480m

a boy walks 4 times = 480×4

= 1920 is answer