Quantitative Aptitude - Arithmetic Ability Questions

What is 15% of 34 ?

If tan(A/2) = x, then the value of x is

If 1/6 of x - 7/2 of 3/7 equals - 7/4, then the value of x is

If x = 4aba+b, then what is the value of x+2ax-2a+x+2bx-2b ?

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

What is the area (in sq cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm?

The sum of the length and breadth of a rectangle is 6 cm. A square is constructed such that one of its sides is equal to a diagonal of the rectangle. If the ratio of areas of the square and rectangle is 5 : 2, the area of the square in cm2 is

Find the area (in cm²) of a semi-circle of radius 35 cm.