Quantitative Aptitude - Arithmetic Ability Questions

The point equidistant from the sides of a triangle is called

Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?

ΔPQR is right angled at Q. If m∠R = 60o, then find the value of (secP - 1/√3) 

The lengths of two parallel sides of a trapezium are 21 cm and 9 cm. If its height is 10 cm, then what is the area (in cm2) of the trapezium?

ΔABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is

The angle of elevation of the top of a tower at a distance of 25 m from its foot is 60 deg. The approximate height of the tower is

What is the square root of 9409?

A number is greater than twice its reciprocal by 31/4. Find the number.