Quantitative Aptitude - Arithmetic Ability Questions

Calculate the value of √3√3 + 3, if √3 = 1.732

Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?

If xy = -18 and x2+ y2= 85, then find the value of (x + y).

If 1/3(12x/5 - 1/2) + 6/5 = 7/6, then what is the value of x?

If a2+b2+c2=14 and a+b+c=6, then the value of ab+bc+ca is,

The average of 19 consecutive even integers is 50. The highest of these integers is

A, B and C invest in a business in the ratio 3 : 6 : 5. A and C are working partners. Only B is a sleeping partner hence his share will be 3/4th of what it would have been if he were a working partner. If they make Rs 50,000 profit, half of which is reinvested in the business and the other half is distributed between the partners, then how much does C get (in Rs)?

In ∆ABC, ∠A = 90°, AD ⊥ BC and AD = BD = 2 cm. The length of CD is