a boy runs at an average 5 km/h in a cross country race. the circuit is 6 km long. At the halfway point, the boy increases his average speed to 6km/h. How long does it take the boy to complete the race?

14.29%

step-by-step explanation:

3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.