Quantitative Aptitude - Arithmetic Ability Questions

If (x+a) is the H.C.F of 2x2+5x-12 and x2+x-12 then find the value of a.

The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?

If x2-2x+1=0,then the value of x4+1x4 is

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?

A sum becomes Rs 8800 in 4 years at simple interest at the yearly interest rate of 25% per annum. What is the sum (in Rs)?

The fraction from the ones listed below that will NOT lead to a recurring decimal is