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What is the H.C.F. of the polynomials 4x^2y and 8xy^2?

B. 4XY
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

If a person walks at a speed of 4 km/h for 1.5 hours, how far does he walk?

C. 6 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 45 kilometers in 1.5 hours. What is the cyclist's speed in km/h?

B. 30 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A can do a piece of work in 12 days, B can do it in 15 days. If they work together, how long will it take to complete the work?

A. 6.67 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If the quadratic equation x^2 - 7x + 10 = 0 has roots r1 and r2, what is the value of r1 + r2?

B. 7
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics