18. At an exam in which full marks were 500, A got10% of less than B, – InterviewSolution

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1.	18. At an exam in which full marks were 500, A got10% of less than B, B got 25% more than Cnumber C got 20% less than D. IfA got 360, what%did D get?(a) 80%(c) 75%(b) 60%(d) 70%
Answer» A=0.9BB=1.25CC=0.8DSo A=0.9×1.25×0.8Dso D=A/(0.9×1.25×0.8)=360/(0.9×1.25×0.8)=400so D got 400/500×100=80%

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