Question

ara sped wolen sem dutome is travy
4)( =-60+40 )
( =frac{2 times 60 times 40}{100} )
se
( =48 mathrm{km} / mathrm{lm} )
ded
os doton D

# 16 A car covers the first half distance of a journey at a constant speed of 60 km hr and the next half at a constant speed of 40 km hr. Find its average speed. (a) 40 km hr - 1 (b) 50 km hr-1 (c) 60 km hr-1 (d) 48 kmhr-1

Solution