Quantitative Aptitude - Arithmetic Ability Questions

A truck covers a distance of 550 metres in one minute where as a bus covers a distance of 33 km in 3/4 hours. Then the ratio of their speeds is :

Hiten marks his pen at Rs 9800 and after allowing discount of 20%, he still earns 12% profit. What is the cost price (in Rs) of the pen?

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount

What is the equation of a line having a slope -1/3 and y-intercept equal to 6?

If 'Q ' means ' +', 'J ' means ' X',T ' ' means '- ' and 'K ' means '÷ ', then what is the value of18K3Q7J ?

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

A taxi going at 90 km/hr takes 35 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 21 minutes?