Quantitative Aptitude - Arithmetic Ability Questions

If 2x+29x = 4, then the value of 27x3+127x3

24 men can complete a piece of work in 18 days while 12 women can complete the same piece of work in 28 days. 27 men start working and are replaced by 14 women after 8 days. In how many days will 14 women finish the remaining work?

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

How long will Ramesh take to run round a square park of edge 50 meters, if he runs at the rate of 18 km/hr?

The average marks of 40 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 73 instead of 37. What is the value of correct average?

Three toys are in a shape of cylinder, hemisphere and cone. The three toys have same base. Height of each toy is 2√2 cm. What is the ratio of the total surface areas of cylinder, hemisphere and cone respectively?

If x2-2x+1=0,then the value of x4+1x4 is

What is the reflection of the point (-0.5, 6) in the x-axis?