Of the 20 people who won prize money, 7 have come forward to claim their winnings. What percent of the people have not yet appeared?
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During a certain week, a post office sold Rs. 280 worth of 14-paisa stamps. How many of these stamps did they sell?
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The area of 2-feet wall around a garden that is 30 feet long and 20 feet wide is:
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(x + 2i)(y - i) =
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How many minutes would it take a typist to complete a 300-word letter if he can type 2(1/2) words in 10 seconds?
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A contractor has to build a bridge in 50 days. Initially, he employed 20 men, but found that only half of the work has been completed in 30 days. How many more men has he to employ to finish the job in time?
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If a number is divisible by 102, then it is also divisible by:
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An hour-long test has 60 problems. If a student completes 30 problems in 30 minutes, how many seconds does he have on average for completing each of the remaining problems?
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Rounded to the nearest tenth, 46.97 would equal:
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The sum of five odd numbers is always:
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