Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd word pair from the given alternatives.

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

If x + y = 10 and xy = 4, then what is the value of x4 + y4?

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

What least number must be added to 4131, so that the sum is completely divisible by 19?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 60 cm² and 5 cm respectively?