Quantitative Aptitude - Arithmetic Ability Questions

A car travels from A to B with 40 Km/h and returns from B to A with 60 Km/h. Its average speed during the whole journey is

A water tank is 2/5 th full. Inlet A can fill the tank in 12 minutes while an outlet pipe B can empty it in 6minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?

The average weight of two players P and Q of a football team is 38 kg. The average weight of P, Q and their coach T is 49 kg. What is the weight (in kg) of coach?

What is the simplified value of 22433+393-11253?

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of sec C.sin A?

If 5x - 4 ≤ 2 - x and 4x + 5 > 2x - 5, then x can take which of the following values?

What is the value of (cot30°+ 2/√3) ?