Quantitative Aptitude - Arithmetic Ability Questions

What is the value of sec 4π/3?

Which of the following is TRUE?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The compound interest on Rs. 4000 for 4 years at 10% per annum will be

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?