Quantitative Aptitude - Arithmetic Ability Questions

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

What is the area (in sq cm) of a regular hexagon of side 9 cm?

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

If a+b=5 then the value of a-37+b-27 is

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

In what time(in years) will Rs. 8000 amount to Rs. 9261 at 5% per annum, compounded annually?

In the following question, select the odd letter/letters from the given alternatives.

If ax + by = 1 and bx + ay = 2aba2+b2 then x2+y2a2+b2 is equal to