Quantitative Aptitude - Arithmetic Ability Questions

G is the centroid of the equilateral triangle ABC, if AB = 9cm then AG is equal to

One of the two inlet pipes works twice as efficiently as the other. The two, working alongside a drain pipe that can empty a cistern all by itself in 8 hours, can fill the empty cistern in 8 hours. How many hours will the less efficient inlet pipe take to fill the empty cistern by itself?

What is the value of cosecA/√(cosec2A ­- 1)?

What is the value of cos 4π/3?

ΔDEF is right angled at E. If m∠D = 45°, then find the value of (tanF + 1/3).

Two successive discounts of 12% and 20% are given by Rajat on a shirt. If the marked price of the shirt is Rs 500, then what is the value (in Rs) of discount?

Select the odd word/letters/number/number pair from the given alternatives.

When 2x + 2x = 3, then x3 + 1x + 2 value is