Quantitative Aptitude - Arithmetic Ability Questions

If tanA = x, then x is

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

Which of the following is correct?

The slope of the line passing through the points (-5,1) and (x,-4) is -5/8. Find x.

Two circles are drawn with the same centre. The circumference of the smaller circle is 44 cm and that of the bigger circle is double the smaller one. What is the area between these two circles?A. 154 square cmB. 308 square cmC. 462 square cmD. 616 square cm

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

U, V and W together can make a chair in 20 minutes. U and V together can make it in 25 minutes. How much time will (in minutes) W alone take to make the chair?

The S.P of a washing machine is 1 1/3 of its C.P. Find the gain percent.