Quantitative Aptitude - Arithmetic Ability Questions

In ΔPQR, PS and PT are bisectors of ∠QPR and ∠QPS respectively. If ∠QPT = 30°, PT = 9 cm and TR = 15 cm, then what is the area (in cm2) of ΔPTR

If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?

A person goes from point N to P and comes back. His average speed for the whole journey is 60 km/hr. If his speed while going from N to P is 40 km/hr, then what will be the speed of the person (in km/hr) while coming back from P to N?

The figure shown below consists of the tangents at the extremeties of any chord. Choose the correct option given below.

Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43

If sec2A cosec2A = x, then x is

What is the simplified value of 0.042+0.212-0.00840.043+0.213

If 1/4th of the wall is painted blue, 1/2 is painted yellow and remaining 3 m is painted white, what is the length of the wall?