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If a vehicle travels 240 km in 3 hours and 30 minutes, what is its average speed in km/h?

B. 65 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

Solve the following system of equations using substitution: y = 2x + 3 and 3x - y = 5. What is the value of x?

A. 1
Posted in:  Linear Equations -  Algebra -  Mathematics

In a practical problem, a car travels 60 km/h and a truck travels 40 km/h. If they start from the same point at the same time, how far apart will they be after 2 hours?

C. 100 KM
Posted in:  Linear Equations -  Algebra -  Mathematics

If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

Two workers can complete a job in 30 days. If one worker is twice as efficient as the other, how many days will it take for them to complete the job together?

C. 15 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics