Quantitative Aptitude - Arithmetic Ability Questions

If cos -300° = x, then the value of x is

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3 and area of ΔABC is 100 sq cm, what is the area (in sq cm) of quadrilateral BDEC?

The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?

The side of an equilateral triangle is 8 cm. Find its area (in cm2).

A square is inscribed in a circle. If the side of the square is 14 cm, what is the area (in sq.cm) of the circle?

A chord of a circle is equal to its radius. A tangent is drawn to the circle at an extremity of the chord. The angle between the tangent and the chord is

The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?

Which of the following will give a terminating decimal?