Quantitative Aptitude - Arithmetic Ability Questions

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

Find the value of sin230 cos245 + 4 tan230 + 1/2sin290 - 2 cos290 + 1/24

Marked price of an item is Rs 900. On purchase of 2 items discount is 16%, on purchase of 5 items discount is 44%. Raksha buys 7 items, what is the effective discount?

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____

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

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

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?