Quantitative Aptitude - Arithmetic Ability Questions

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

Find the Greatest Common Factor of 280 and 144.

If the value of √42 is approximately 6.480, then what is the approximate value of √(6/7)?

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

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.

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?