Quantitative Aptitude - Arithmetic Ability Questions

X can complete a task in 8 days, whereas Y can complete the same task in 10 days. If they work together, in how many days will the task be completed?

Find x, if 5x-6+5x+6 = 6

If 5x + 6(3-2x) = 4, then what is the value of x?

The length of a string is 8 feet and 9 inches, which is divided into 3 equal parts. What is the length of each part in inches?

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

The ratio of two numbers is 3 : 7. If their product is 1344, then what is the sum of both the numbers?

If a - b = 4 and ab = -3, then what is the value of a3- b3?

Mr. Ankit is on tour to Siachin and he has Rs. 360 for his expenditure. If he exceeds his tour by 4 days, he must trim down his daily expenditure by Rs.3. Forhow many days is Mr. Ankit is on tour?