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What is the sum of the first 10 positive integers?

C. 55
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What is the product of the first five positive integers?

B. 120
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A can complete a work in 12 days, while B can do the same work in 18 days. If they work together, how many days will they take to complete the work?

B. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Which of the following numbers is a perfect square?

B. 64
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If A can do a piece of work in 15 days and B can do it in 20 days, how long will it take for both A and B to complete the work together?

B. 10 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics