Quantitative Aptitude - Arithmetic Ability Questions

If 4x + 1x = 5, (x≠0), then the value of 5x4x2+10x+1 is

Rearrange the jumbled up letters in their natural sequence and find the odd one out.

XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ∆XYZ is

If 2x+13x = 5, the value of 5x6x2+20x+1 is

If a + b + c = 9, ab + bc + ca = 26, a3 + b3 = 91, b3 + c3 = 72 and c3 + a3 = 35, then what is the value of abc?

If √(1 - cos2A)/cosA = x, then the value of x is

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.