Quantitative Aptitude - Arithmetic Ability Questions

If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?

In the given figure, PQRS is a quadrilateral. If QR = 18 cmand PS = 9 cm,then what is the area (in sq. cm) of quadrilateral PQRS?

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is

If Sin x = 4/5, then Cosec x + Cot x =

What number should be added to each of the numbers 35, 115, 53 and 165, so that the resulting numbers are in continued proportion?

ax + 5y = 8 has slope of -4/3. What is the value of a?

What is the simplified value of Sec ACot A + Tan A2 ?

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?