Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (sinA -­ 2sin3A)/(2cos3A -­ cosA)?

What is the value of Sin 30° - Cosec 45°?

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

The ratio of sand to gravel in a mixture is 7 : 8 while that between gravel and cement is 6 : 7. What is the ratio of sand to cement in the mixture?

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2.5 hours, the tank will now be filled in

Yaman sold an item at a loss of 10%. If he had sold it for Rs.57 more, he would have made a profit of 20%. What should be the selling price of the item to make a profit of 30%?

A, B and C are employed to complete a work in Rs. 784. If A and B together complete 23/28 of the work. Calculate the wages (in Rs.) paid to C?

If a triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?