Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Cot 60°- Cos 45°?

If the curved surface area of a right circular cone is 10010 sq cm and its radius is 35 cm, find its volume?

A right-angled triangle ABC is right-angled at B, and tan A = 4/3. If AC = 25 cm, the length of BC is

Select the odd word/letters/number/number pair from the given alternatives.

The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?

What is the value of (tan60 + 1/3) ?

Three balls ring at intervals of 15, 30 and 45minutes respectively. At what time will they ring together again, if they rang simultaneously at 8.00 AM?

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.