Quantitative Aptitude - Arithmetic Ability Questions

If cos(A-B) - cos(A+B) = x, then the value of x is

Two fractions are such that their product is ­9/10 and sum is ­13/40. What are the two fractions.

The ratio of two numbers is 5 : 9 and their difference is 44. What will be the smaller number among both the numbers?

The marked price of a shirt is Rs 1800 and retailer gets a discount of 40%. If he sells that shirt for Rs 1800, then what is the profit percentage of retailer?

If the side AB of an equilateral triangle ABC is equal to 12 cm. Calculate the length( in cm) of the AO, if O is the centroid of the triangle.

What is the slope of the line 4x - 8y = 3?

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

Which of the following words does NOT belong with the others?