Quantitative Aptitude - Arithmetic Ability Questions

Find x, if 5x-6+5x+6 = 6

A number is greater than five times its reciprocal by 19/2. Find the number.

When a discount of 25% is given on a box of popcorn, the profit is 25%. If the discount is 10%, then the profit is

A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?

If x2 + y2 + 6x + 5 = 4(x - y) then x - y is

The height of an equilateral triangle is 18 cm. Its area is

The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 cm. The length of the longest side (in cm) is

To go a distance of 40 km upstream a rower takes 8 hours while it takes her only 5 hours to row the same distance downstream. What was the rower's speed in still water?