Quantitative Aptitude - Arithmetic Ability Questions

A train, starting from rest, attains a velocity of 90 kmph in 5 minutes. Assuming that the acceration is uniform, the distance travelled by the train during this time is

A, B and C can complete the work in 4, 5 and 6 hours respectively. If they all work together and receive Rs. 777 as wages then find the share of A.

If 3x= 4y= 12, then z is equal to

A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?

The population of a town increases by 5% in the first year, by 6% in the second year and by 8% in third year. The present population of town is 120204. What was the population of the town 3 years ago?

A person scores 45% of the total marks in the exam and still fails by 40 marks. The passing percentage of the exam is 55%. What is the maximum marks of the exam?

For x > 0, what is the minimum value of  x + x+22x?

If 23x + 23y = 184, then what is the average of x and y?