Quantitative Aptitude - Arithmetic Ability Questions

A sum becomes 1.69 times of itself in 2 years when invested at compound interest. What is the per annum rate of interest (in percentage)?

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ∠AOP = 50°, then what is the value (in degrees) of ∠APB?

Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 1:4 and area of Δ APQ is 4 sq cm, what is the area of trapezium PQCB?

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (sinD - 1/3).

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

In what ratio wheat costing Rs 17/kg mixed with another wheat costing Rs 12/kg to get a mixture costing Rs 13.5/ kg?