Quantitative Aptitude - Arithmetic Ability Questions

The value of k, for which the quadratic equation 4x2 + 4√3x + k = 0 has equal roots is

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?

Select the odd number from the given alternatives.

If x + 2(3-5x) > -1 - 2x < 5 - x/3; then the value of x is

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

The point where the 3 medians of a triangle meet is called

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

What is the value of Cot 45° - (1/√3)Cosec 60°?