Question

20) The area of a square field is 24200 sq m. How long will a lady take to cross the field
diagonally at the rate of 6.6 km/hr?
a) 3 minutes
b) 2 minutes
c) 2.4 minutes
d) 2 minutes 40 seconds​

Answer 1

first we convert 24200 m^2 into km^2

24.2 km

she walk digonally at speed of 6.6 km/hour

so,

distance = 12.1 km

time= 12.1/6.6

1.83