A) 72 km |
B) 76 km |
C) 78 km |
D) 68 km |
A) 72 km |
Given, D = 84 km, a = 12 km/h
and b = 16 km/h
According to the formula,
Distance travelled by
\( \Large A = PR = 2D \times \frac{a}{a+b} \)
\( \Large 2 \times 84 \times \frac{12}{12+16}=2 \times 84 \times \frac{12}{28} \)
\( \Large 2 \times 6 \times 6 = 72 km \)