32) A

Number of annual deaths per vehicle in 1930 = 7000
Number of vehicles on the road in 1930 = 2.3 million

Number of annual deaths per vehicle now= 3180
Number of vehicles on the road now = 27 million

3180 x 100 = approximately 40% = 0.4
    7000

Since vehicle now are approximately 10 time more, we need to divide 0.4 by 10 = 0.04

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