A person can cover a distance of y km in 10 hours. He increases his speed by 10 m/s and covers the same distance in 4 hours. Which of the following statement(s) is/are correct?
I. The value of y is 240.
II Original speed of the person is 24 km/hr.
1
Neither I nor II
2
Both I and II
3
Only II
4
Only I