Quantitative Aptitude - Arithmetic Ability Questions

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

A square is inscribed in a quarter circle in such a way that two of its adjacent vertices on the radius are equidistant from the centre and other two vertices lie on the circumference. If the side of square is √(5/2) cm, then what is the radius (in cm) of the circle?

If the time increases by 5 years, then simple interest increases by Rs 3000 on a sum of Rs 5000. What is the rate (in percentage) of interest per annum?

What is the ratio of simple interest earned on certain amount at the rate of 12% for 6 years and that for 12 years?

In the first 43 overs of a cricket match, the run rate was 5 runs/over. Calculate the required run rate in the remaining 7 overs to reach the target of 285 runs?

Cost price of an article is Rs 360. If the profit percentage is 32%, then what is the value (in Rs) of profit?