Question
The average score of a group of 12 students in a math
exam is 75. If the highest score, which is 95, is removed from the average, what will be the new average of the remaining students?Solution
Total score of 12 students = 12 * 75 = 900 Total score of remaining 11 students = 900 - 95 = 805 New Average = 805 / 11 ≈ 73.18
At 2'0 clock, the hands of a clock make an acute angle and a reflex angle. How much is the reflex angle (in degrees)?
Find the cube of 373.
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A clock gets fast by 15 minutes every day. If, on a certain day, the clock shows correct time at 12 in the noon, what time will the clock show at 4:00 ...