Quantitative Aptitude - Arithmetic Ability Questions

If P = 99, then the value of P(P2+ 3P + 3) is

Calculate the value of 55-5, if the value of √5 = 2.236.

The sum of a non-zero number and its reciprocal is 2. What is the number?

The value of 3x9n+1+9x32n-19x32n-6x9n-1 is equal to

If a3- b3= 91 and a - b = 1, then what is the value of ab?

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?

Ravi had five subjects in his final examination. The maximum marks in each subject are 100. If his percentage in four subjects is 80, and he scores 65 marks in the fifth subject, determine his overall percentage for the five subjects.

X and Y give an exam. Difference of their marks is 45 and the difference of their marks is 15% of the maximum marks. What is the maximum marks for the exam?