Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters from the given alternatives.

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

In the last financial year, a car company sold 41,800 cars . In this year, the target is to sell 51,300 cars . By what percent must the sale be increased ?

If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :

What is the value of cot 11π/6?

What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =

In ΔABC, AC = BC and ∠ABC = 50°, the side BC is produced to D so that BC = CD then the value of ∠BAD is

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).