Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

Determine the value of ‘r’ for which the equation 13x + 5 = rx + 18 has no solution.

PQ is a diameter of a circle with centre O. RS is a chord parallel to PQ subtends an angle of 40° at the centre of the circle. If PR and QS are produced to meet at T, then what will be the measure (in degrees) of ∠PTQ?

At least one diagonal bisects the other in a _____.

What is the difference of the factors of the expression x2 + (1/x2) – 6?

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

If y=2secθ and x=3tanθ then x29-y24 is

K is 5 years older to H. H is 3 years younger to R. R is 6 years older to C. C is 7 years younger to L. Who is the eldest?