The distance between the houses of Alok and Basee is 3.6 km. Alok and Basee start driving from their respective houses at the speeds
of 54 km/hr and 27 km/hr respectively towards each other simultaneously. How far from Alok’s house do they meet
Answers
Answer:
select me as brainiest
Step-by-step explanation:
Distance between the office and the home of Alok is 100 Km. One day, he was late by an hour than the normal time to leave for the office, so he increased his speed by 5 Km/hr and reached office at the normal time. What is the changed speed of Alok?
25 Km/hr
20 Km/hr
16 Km/hr
50 Km/hr
Knowing the relationship between speed and distance.
Here the distance is constant. However if we write the equation, we get:
s * t = (s + 5) * (t - 1) = 100
In this case, we can identify other constant as the time which Alok took less to cover the distance i.e. 1 hour. So, we can write:
100/s - 100/s+5 = 1 (Difference of time take in both the cases is 1 hour)
=> 100s + 500 - 100s = s(s+5)
=> s(s+5) = 500
Solving we get, s = 20 Km/hr
Therefore, Increased speed = s + 5 = 25 km/hr
the answer is 25 Km/hr.
25 Km/hr.