Quantitative Aptitude - Arithmetic Ability Questions

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?

If cos -225° = x, then the value of x is

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

If y = √3 - √2, then find the value of 1y3 - y3.

The length of a chord which is at a distance of 12 cm from the centre of a circle of radius 13 cm is

ax + 5y = 8 has slope of -4/3. What is the value of a?

The shadow of a tower when the angle of elevation of the sun is 45°, is found to be 10 m longer than when it was 60° . The height of the tower is

Find out the odd word/letters/number/number pair from the given alternatives.