Quantitative Aptitude - Arithmetic Ability Questions

The product of two numbers is 20. One of them is 1.25. What is the other number?

If 2x + 3 = 9 then find the value of 3x + 2

In triangle DEF measure of angle E is 90 deg. If cotD = 5/12 and DE = 1 cm, then what is the length (in cm) of side EF?

If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?

In a triangle ABC, ∠A = 70°, ∠B = 80° and D is the incentre of ΔABC. ∠ACB = 2x° and ∠BDC = y°. The values of x and y, respectively are

If 60/75 is equivalent to 4/x, then the value of x is

The two roots of an quadratic equation are given as x = 1/2 and x = -1/3. The equation can be written as

What is the value of 12 + 3(-2 x 3) - (18 / 6) ?