Quantitative Aptitude - Arithmetic Ability Questions

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

At what point does the line 3x + 2y = 12 cuts the Y-axis?

a% of b + b% of a = ______

The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 6√3 sq cm, what is the area of the equilateral triangle?

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 8 cm, 6 cm and 7.2 cm respectively, find length of BC?

The ratio of present ages of R and S is 6:7. Before 12 years the ratio of their ages was 9:11. What is R's present age (in years)?

The flight fare between two cities is increased in the ratio 11:13. What is the increase (in Rs) in the fare, if the original fare was Rs 12100?

If 1 saree is offered free on purchase of 3 sarees, what is the effective discount on each saree?