Quantitative Aptitude - Arithmetic Ability Questions

Car B is running twice as fast as car A. If car A covers a distance of 90 km in 1 1/2 hrs, what is the speed of car B?

A merchant marks the price of his articles 20% above the cost price. If he allows 20% discount, then what is the profit or loss percentage?

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

A bank offers 15% compound interest per half year. A customer deposits Rs 2400 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

If x, y, z are the three factors of a3 -7a - 6, then value of x+y+z will be

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

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