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query reg percentage prob

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by srivathsan » Sat Aug 25, 2012 9:46 pm
last year, anjan car rental company repainted 3/5 of its cars including 7/10 of its station wagons. if 1/6 of company cars were station wagons, what percent of cars that were not station wagons were repainted last year..

30%
34%
45%
50%
58%
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Source: — Problem Solving |

by prat_agl » Sat Aug 25, 2012 11:27 pm
say there are 300 cars.
Wagon = 50
Non Wagon = 250.

repainted- 3/5*300 = 180
repainted wagon = 7/10 * 50 = 35

repainted non wagon = 180-35 =145

Required percent = 145/250 *100 = 58 %
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