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Question 63
Amit and Sujit together can complete an assignment of data entry in 5 days. Sujit’s speed is 80% of Amit’s speed and the total key depressions in the assignment are 5,76,000. What Amit’s speed in key depression per hour if they work for 8 hours a day?
Solution
Let Amit's speed of key depressions per hour be X.
So, Sumit's speed of key depressions is 80% of X.
In total, the number of key depressions per hour by both of them is 1.8 X
The total number of key depressions in a day by both of them together is 1.8*8 = 14.4 X
This equals 576000/5 = 115200.
So, 14.4 * X = 115200
Or, X = 115200/14.4 = 8000
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