Quantitative Aptitude - Arithmetic Ability Questions

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

The length and breadth of a rectangle are 24 cm and 7 cm respectively. What must be the length of its diagonal (in cm)?

If tanθ = 43, then the value of 3sinθ+2cosθ3sinθ-2cosθ ?

Determine the value of a2+b2a3+b3 when a = 2+√3 and b = 2-√3.

P bought an article for Rs. 1600 and sold it at a profit of 10%. What would have been the increase in the profit percent if it was sold for Rs. 1840?

A solid cone of height 24 cm and radius of its base 8 cm is melted to form a solid cylinder of radius 6 cm and height 6 cm. In the whole process what
percent of material is wasted?

What is the value of cosec 3π/4?

If p = 99, then the value of p(p2+3p+3) will be