Quantitative Aptitude - Arithmetic Ability Questions

Expanded and simplification of (x + 3)(x - 1) will be equal to

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

A solid right circular cone of radius 4 cm and height 7 cm is put inside a cylindrical vessel of radius 5 cm and height 8 cm. How much water in cubic cm will be required to fill the cylindrical vessel completely?

Find the value of  x3 - y3, if x - y = 4 and xy = 12.

What is the value of (cot60 + 1/√3) ?

The cash difference between the selling price of an article at a profit of 4% and 6% is Rs. 3. The ratio of two selling prices is:

The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is

If 4x - 5y = -37 and 7x + y = -16, then x - y = ______