Quantitative Aptitude - Arithmetic Ability Questions

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

The average cost of 5 items in a shopping list is Rs 650. If one more item whose cost is Rs 1400 is added to the list what will be the new average (in Rs)?

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

If the difference between the measures of the two smaller angles of a right angled triangle is 8°, then the smallest angle is

A satellite airtime bill costs Rs. 8 for 5 minutes 40 seconds. What is the cost in rupees for 4 minutes 20 seconds? (Round upto one decimal).

ΔPQR is right angled at Q. If cotP = 5/12, then what is the value of tanR ?

The simplification value of 735+2-552+7+227+5 is