Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?

Find the value of 777777?

If on an item there is 12% discount on the marked price of Rs 10,000 but the item is sold at Rs 8,360 only then what additional discount (in %) did the customer get?

The solution set of 4x -­ 3y = 10 and 3x + y = 14 is

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

Two water squash mixtures, the first with a water-to-squash ratio of 5:1 and the letter with a ratio of 3:1 are blended in the ratio 3:2. What is the final water : squash ratio in the blend?

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?