Quantitative Aptitude - Arithmetic Ability Questions

If (6x ­- 5) = (4x + 7), then the numerical value of (x + 1)3  is

Find the value of 'y' if y84 = 225

A person borrows some money for 8 years at a rate of simple interest. If the ratio of principal and total interest is 5 : 8, then what is the rate ( inpercentage) of interest?

A solid cube is cut into 27 identical cubes. What is the percentage increase in the total surface area?

If after giving a discount of 18%, a book is sold for Rs 1599, then what will be the marked price (in Rs) of the book?

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

A boat cover row 12 km upstream in 4 hours and can cover the same distance downstream in 3 hours. What is the speed (in km/hr) of the boat in still water?

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is