GRE Exam Numerical Ability Time Distance and Speed

tom ,jerry and snoopy participated in a race. tom covers the same distance in 49 steps, as jerry covers in 50 steps and snoopy in 51 steps.tom takes 10 steps in the same time as jerry takes 9 steps and snoopy takes 8 steps.who is the winner in the race?

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GRE Other Question

jack and jill setout at the same time to walk towards each other from kansas to detroit 144km apart. jack walks at the constant speed of 8km/hr, while jill walks 4km in the first hour,5km in the second hour, 6km in the third hour, and so on .then jack and jill will meet? williams buys a house for $100000 and lends it. he puts 12.5% of each month's rent aside for upkeep and repairs,pays $325 per year as taxes and realizes 5.5% annually on his investment. find the monthly rent.