Quantitative Aptitude - Arithmetic Ability Questions

Calculate the area (in cm2) of a circle of radius 17.5 cm.

If x3 – 4x2 + 19 = 6(x – 1), then what is the value of [x2 + (1/x – 4)]?

Rohan sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 40% and the second article is sold at a loss of 40%. What is the ratio of the selling price of the first article to the cost price of the second article?

What is the simplified value of 22433+393-11253?

The average cost of 4 items in a shopping list is Rs 1,250. If one more item whose cost is Rs 2,000 is added to the list what will be the new average (in
Rs)?

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

If two marbles are picked at random, what is the probability that either both are red or both are green?

The surface areas of three faces of a cuboid sharing a vertex are 20, 32 and 40 sq. mts. What is the volume of the cuboid in cub. m?