Quantitative Aptitude - Arithmetic Ability Questions

One of the roots of the equation x2 - 4x + k = 0 is x = 3. The other root is

Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

How many three digit whole numbers are there between 75 and 405?

If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?

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

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

Number of circles that can be drawn through three non-colinear points is