Quantitative Aptitude - Arithmetic Ability Questions

If sin π/6 + sec π/6 = x, then x is

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

If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

If the lengths of two parallel chords in a circle of radius 10 cm are 12 cm and 16 cm, then what is the distance between these two chords?

What is the value of 5/9 + 7/8?

In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar?

If a+bab=21 ,  then the value of (a-b) is

The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?