Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of the line which intercepts x­axis and y­axis at 3/4 and ­2/3 respectively?

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

Find the sum of interior angles of a dodecagon?

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

In triangle ABC, O is the orthocenter and angle BOC is 120 deg. Calculate angle BAC.

In the given figure, PQ is the diameter of the circle. What is the measure (in degrees) of QSR?

What is the distance between the points (3 , 6) and (-2 , -6)?

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is