Quantitative Aptitude - Arithmetic Ability Questions

Marked price of an article is Rs 520 and selling price is Rs 384.8. What is the discount percentage?

The marked price of a shirt is Rs 1280. If the shirt is being sold for Rs 900, then what is the discount percentage?

If a+b+c = 0, then (a^3 + b^3 + c^3)^2 = ?

If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

What is the value of sin6θ + cos6θ + 3 sin2θ cos2θ –1?

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