Question
A coder solved problems at an average of x problems per
day for the first 25 days. In the next 5 days, they solved at an average of 64 problems per day, which increased the overall average by 4. What was the average for the first 25 days?Solution
Let, average problems per day in first 25 days is x So, (25 × x + 5 × 64)/30 = x + 4 Or, 25x + 320 = 30x + 120 Or, 5x = 200 Or, x = 40
Find the missing figure from the given series.
3, 13, 1113, 3113, ______
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Select the option which is related to the third word exactly as the second word is related to first one.
Enjoyable : Pleasant : : Excellent : ?
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In a code language, if PEN is written as 17717, then how will CAP be written in the same language?