Quantitative Aptitude - Arithmetic Ability Questions

The value of(1(p-n)(n-q)+1(n-q)(q-p)+1(q-p)(p-n)) is

25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?

If Rs 7,800 is to be divided between A, B and C in the ratio 1/2 : 1/3 : 1/4, then how much share will B get (in Rs)?

For what value of k, the expression x6– 18x3 + k will be a perfect square?

If each median of an equilateral triangle has a length of 12cm. Then what will be the value of in-radius (in cm) of the equilateral triangle?

A profit of Rs. 960 is divided between A and B in the ratio 1/3:1/2. The difference of their profit is :

If x +y = √3 and x - y = √2, then the value of 8xy (x2 + y2) is

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?