Quantitative Aptitude - Arithmetic Ability Questions

If α and β are roots of the equation 3x2 – 13x + 14 = 0, then what is the value of (α/β) + (β/α)?

The value of aa-b+bb-a is

Square of (7 ­- 4x) is

At what point does the line 4x - 3y = -6 intercept the y-axis?

What is the value of (cos 40° – cos 140°)/(sin 80° + sin 20°)?

At 30% discount the selling price of an article is Rs 1050. What is the selling price (in Rs) if the discount is 15%?

By selling an item for Rs. 696 Unnati incurred a loss of 13%. By how much should she have raised the price to gain a profit of 10%?

Average of all even numbers between 104 and 148 is __________.