Quantitative Aptitude - Arithmetic Ability Questions

ABCD is an isosceles trapezium such that AD||BC, AB = 5 cm, AD = 8 cm and BC = 14 cm. What is the area (in cm2) of trapezium?

4*(-­0.1(5.5 + 8.5)) of 0.5 = ?

What is the value of sec 30° + cot 30°?

What is the value of tan 7π/4?

In the following question, select the odd word pair from the given alternatives.

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?

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty in 35 hrs. If alternatively Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?