Quantitative Aptitude - Arithmetic Ability Questions

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

A train 110 metres long is running with a speed of 60 kmph . In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?

What is the value of (cos 45 - 1/3) ?

In the following question, select the odd number group from the given alternatives.

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.

If 2x+ 4(x - 3) < -2 - x < 2x - 1, then find the value of x.

The area of a circle is 346.5 cm². Find its radius (in cm).

If Cot θ = 21/20, then what is the value of Cosec θ?