Quantitative Aptitude - Arithmetic Ability Questions

If 4(2x + 3) > 5 -­ x and 5x - ­3(2x­ - 7) > 3x -­ 1, then x can take which of the following values?

If 4x - 5y = -37 and 7x + y = -16, then x - y = ______

The ratio of sand to gravel in a mixture is 17:8 while that between gravel and cement is 6:17. What is the ratio of sand to cement in the mixture?

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

Cost price of an article is Rs 360. If the profit percentage is 32%, then what is the value (in Rs) of profit?

Which of the following quadratic equations has real roots?