Quantitative Aptitude - Arithmetic Ability Questions

A fraction is greater than twice its reciprocal by 7/15. What is the fraction?

The zeros of the cubic polynomial 2x3-x2-2x+1 are a, b and c respectively. Find a+b+c :

If N = 0.369369369369... and M = 0.531531531531..., then what is the value of (1/N) + (1/M)?

In a class of 50 students there are 22 girls who scored an average of 35 marks in the test. What is the average marks of the boys if the class average is 42 marks?

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

If (1/cos θ) – (1/cot θ) = 1/P, then what is the value of cos θ?

On dividing 24a2b2 by 6b2, we will get

The average marks of 40 students in an examination was 34. It was later found that the marks of one student had been wrongly entered as 62 instead of 26. what is the correct average?