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A can do a piece of work in 20 days, while B can do it in 30 days. If they work together for 10 days, how much of the work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

A person walks at a speed of 5 km/h for 30 minutes and then runs at 10 km/h for 1 hour. What is the total distance covered?

B. 12.5 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If C can finish a job in 12 days and D can finish the same job in 18 days, how long will it take them to finish the job together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

What is the graphical representation of the equation y = 2x + 3?

C. A LINE WITH A SLOPE OF 2 AND Y-INTERCEPT OF 3
Posted in:  Linear Equations -  Algebra -  Mathematics

Which of the following expressions is equivalent to (3x^2 + 6x) ÷ 3x?

A. X + 2
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics