Quantitative Aptitude - Arithmetic Ability Questions

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?

If A, B and C are denoting Mean, Median and Mode of a data and A : B = 9 : 8. Then the ratio of B : C is

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

The area of the circle with radius Y is W. The difference between the areas of the bigger circle (with radius Y) and that of the smaller circle (with radius X) is W'. So x/y is equal to

When a number is increased by 18, it becomes 106% of itself. What is the number?

What is the equation of the line passing through the point (-1,3) and having x-intercept of 4 units?

The sum of two positive integers is 80 & difference between them is 20. Then what is difference of squares of those numbers ?

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is