gre Exam Numerical Ability Clocks and Calendars

an accurate clock shows 8 o'clock in the morning .through how may degrees will the hour hand rotate when the clock shous 2 o' clock in the afternoon

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gre Other Question

A certain distance is covered at a certain speed. if half of the distance is covered in double the time the ratio of the two speeds is A four-digit number gets reversed when it is multiplied by 4. find the sum of the digits of the number.