Quantitative Aptitude - Arithmetic Ability Questions

The list price of an article is Rs. 900. It is available at two successive discounts of 20% and 10% . The selling price of the article is:

If -5x3+2 = x-6, then find the value of x?

Find the value of 491321973

Three triangles are marked out of a bigger triangle at the three vertices such that each side of each of the smaller triangles is one-fourth as long as each corresponding side of the bigger triangle. The ratio of the area of the three small triangles taken together to that of the rest of the bigger triangle is

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

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in

A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is