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| For The Mathematically Inclined |
Anil Saigal
05/24/2017
Problem 1:
In American football the standard field dimensions are 120 yards long and 53 1/3 yards wide. What are the measures of angles angles at the point where the diagonals intersect.
Problem 2:
Two gears are interconnected. The smaller gear has a radius of 4 inches, and the larger gear has a radius of 6 inches. The smaller gear rotates 90 degrees in 4 seconds. What is the angular speed, in degrees per seconds, of the larger gear?
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Problems from 05/11/17
Problem 1:
A class average score in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored below 60?
Problem 2:
Four children have small toys. The first child has 1/10 of the toys, the second child has 12 more toys than the first, the third child has one more toy of what the first child has and the fourth child has double the third child. How many toys are there?
Congratulations to Ramachandran Balakrishna and Kishore Balsara, who were the winners of the last set of puzzles.
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