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Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80% are fatal. What percentage of all serious bicycle accidents involve fatal head injuries?

Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80% are fatal. What percentage of all serious bicycle accidents involve fatal head injuries? Correct Answer 20%

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Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
In the question three statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: Some injuries are serious. Statement II: No relation is serious. Statement III: All athletes have injuries. Conclusion I: Some athletes are serious. Conclusion II: Some athletes have relation is a possibility. Conclusion III: No athletes is serious.
Three Statements are given followed by four conclusions numbered I, II , III and IV Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: 1. All boys are experts. 2. Some experts are travelers. 3. All travelers are foreigners. Conclusions: I. Some foreigners are experts. II. Some foreigners are boys. III. No foreigner is boy. IV. All travelers are experts.
Three statements are given, followed by four conclusions numbered I, Il, Ill, IV. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow from the statements. Statements: 1. All students are experts. 2. Some experts are tutors. 3. All tutors are Indians. Conclusions: I. Some Indians are experts. Il. Some Indians are students. lll. No Indian is a student. IV. All tutors are experts.
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the following suggested courses of actions logically follow(s) for pursuing. Statement: Starting October, all new cars will have pedestrian safety features, including new design of the bonnet, to reduce impact on pedestrians during accidents. Advanced safety features are needed in all vehicles in India as vehicle safety cannot be confined to luxury vehicles only. Around 1.5 lakh people are killed in road accidents every year in the country, nearly 60% of them are pedestrians.  Courses of action: I. The government has set a target to reduce the number of road deaths by half in the next two years. The ministry of road transport and highways has been issuing new safety standards for the automobiles along with eliminating the black spots on national highways.  II. By next month, all new cars will have pedestrian safety feature, including new design of the bonnet, to reduce impact on pedestrians during accidents.  III. Ministry of road transport and Highways is planning to implement all safety features in vehicles with active support of vehicle manufacturers. Electronic stability control (ESC) and autonomous emergency braking (AEB) will be incorporated in new vehicles by 2022.
7 experts and 5 trainees can complete a job in 9 days while 4 experts and 15 trainees can complete it in 12 days. How many days will 5 experts and 6 trainees need to complete the job?
17 trainees can do as much work as 4 experts can do in a day. It takes 12 experts and 9 trainees 5 days to dig a pond. How many trainees will one need alongside 4 experts to dig a similar pool in 15 days?
15 experts can do as much work as 25 trainees in a given period of time. A piece of work is to be done by 8 experts and 15 trainees. How many trainees alongside 11 experts would one need to complete a similar work in the same duration of time?
24 experts can do as much work as 40 trainees in a given period of time. A piece of work can be done by 9 experts and 25 trainees. How many trainees alongside 12 experts would one need to complete a similar work in the same duration of time?
A person buys three bicycles at the rate of Rs. 4000 per bicycle. He sells first bicycle at a profit of 30 percent, sells second bicycle at a loss of 20 percent and sells third bicycle at a loss of 10 percent. What is the total profit percent in the whole transaction ?