Quantitative Aptitude - Arithmetic Ability Questions

What is the area of the sector whose central angle is 90° and radius of the circle is 14 cm?

What is the value of Tan 45° - 1/√3 Sec 60°?

If 1aa2+1 = 3, then the value of a6+1a3 is

Find the area (in cm2) of a semi-circle of radius 28 cm.

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?

The length of one side of a rhombus is 61 cm and its area is 1320 sq.cm. Find the sum of the lengths of its diagonals?

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

ABC is a right angled triangle in which ∠A = 90°, AB = 5 cm and AC = 12 cm. What is the approximate volume (in cm3) of the double cone formed by rotating the triangle about its hypotenuse?