GRE Exam Numerical Ability Time Distance and Speed

In a 150 meter race, Sam runs at a speed of 2 m/s. If Sam gives a start of 4m to Jack and still beats him by 12 seconds, what is the speed of Jack in m/s?

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GRE Other Question

It takes 6 technicians a total of 10 hours to build and program a new server from Direct Computer, with each working at the same rate. If six technicians start to build the server at 11:00 AM, and one technician per hour is added beginning at 5:00 PM, at what time will the server be complete?

A. 7:30 PM
B. 7:45 PM
C. 8:00 PM
D. 9:00 AM
E. 10:00 PM In a basket full of balls, 60% are banana and remaining 40% are apple. 80% of apples are green and the rest 20% are yellow. Of the bananas, 80% are yellow and the rest of the bananas are green, What percentage of the green fruits are bananas?