Quantitative Aptitude - Arithmetic Ability Questions

The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?

What is the third proportional to 10 and 20?

If 3x -­ 7 = 5x ­- 1, then the numerical value of (x ­- 4)2 is 

The point P(a,b) is first reflected in origin to P1 and P1 is reflected in y-­axis to (6,­-5). The co-­ordinates of point P are

A number exceeds its 1/6 by 30. What is the number?

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

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