Quantitative Aptitude - Arithmetic Ability Questions

If P = 99, then the value of P(P2+ 3P + 3) is

If x = 1 + √2 + √3, then the value of x2-2x-4=0

The areas of a circle and square are equal. What is the square of the ratio of length of diameter to the length of diagonal?

If the length of the side of an equilateral triangle is 8 cm, what is its area?

If the value of √30  is approximately 5.477, then what is the approximate value of 56 ?

Ticket for an adult is Rs 1000 and a child is Rs 500. One child goes free with two adults. If a group has 17 adults and 5 children what is the discount the group gets?

The income of X is 60% more than Y’s income and the income of Y is 40% more than Z’s income. X’s income is how much percentage more than Z’s income?

If 7x + 6y = 5xy and 10x ­- 4y = 4xy, then value of x and y is