Quantitative Aptitude - Arithmetic Ability Questions

If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?

Calculate the value of 55-5, if the value of √5 = 2.236.

When a number is increased by 28, it becomes 107% of itself. What is the number?

If medians of a triangle have lengths 18 cm, 24 cm and 30 cm, then what is the area (in sq.cm) of the triangle?

In a committee there are 15 members. If two members whose ages are 45 years and 55 years are replaced by the two new members, then average age of 15 members is increased by 2 years. What is the average age (in years) of the new members?

A train is moving at the speed of 90 km/hr. How many seconds it will take to cover a distance of 2275 meter?

Raghuram sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 53 lakh, his gain would have been 7 times the former loss. Find the cost price of the machine.

A thief is stopped by a policeman from a distance of 450 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/h and that of policeman as 12 km/h, how far the thief would have run, before he is over­ taken?