Quantitative Aptitude - Arithmetic Ability Questions

If a - b = -5 and a2+b2=73, then find ab.

In the given figure, ∠QRN = 40°, ∠PQR = 46° and MN is a tangent at R. What is the value (in deg) of x, y and z respectively?

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 height of an equilateral triangle is 18 cm. Its area is

In the following question, select the odd letters from the given alternatives.

If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be

A cone of radius 3.5 cm and height 27 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 2.1 cm. What will be the height of water in this vessel? (Take π = 22/7)

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

I. x2+ 30x + 81 = 0

II.y2-9y -162 = 0