Quantitative Aptitude - Arithmetic Ability Questions

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?

If x+y+z = 1, 1/x + 1/y + 1/z = 1 and xyz = -1, then x3+y3+z3 is equal to

If a2+b2+c2=83and a+b+c=15 then the value of ab+bc+ca is

If the cost price of an article is Rs x . It is marked up by 100%. It is sold at Rs 1,200 after giving 20% discount. What is value of x?

If θ is positive acute angle and 7cos2Ɵ + 3sin2Ɵ = 4, then the value of θ is

If x + y = 10 and x2 + y2 = 68, then find xy

A piece of work was finished by A, B and C together. A and B together finished 60% of the work and B and C together finished 70% of the work. Who among the three is most efficient?

Three consecutive angles of a cycle quadrilateral are in the ratio of 1 : 4 : 5 . The measure of fourth angle is