Question

A clerk starts from his house with a speed or
2 kmh- and reaches the office 3 min late.
Next day he increases speed l kmn and
reaches the office 3 min earlier. Find the
distance between his house and office.
(A) 1 km
(B) 0.6 km
(C) 2 km
(D) 3 km​

Answer 1

it's one kilometre is the distance between his house in office is one kilometre