Quantitative Aptitude - Arithmetic Ability Questions

In a triangle ABC, the length of in-radius and circum-radius is 2 units and 6 units respectively. Find the distance (in units) between the in-centre and circum-centre.

If  a+1/a = 3, then a3+1a3?

If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?

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.

Find the odd word/letters/number pair from the given alternatives

Find the odd word/letters/number from the given alternatives.

What is the value of Cot 45° + Cosec 60°?

What is the value of (4a2 + 8b + 14c + 2)/2 ?