Quantitative Aptitude - Arithmetic Ability Questions

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

What is the average of all the one digit, two digit and three digit natural numbers?

The marked price of an article is Rs 1200 and retailer gets a discount of 25%. If he sells that article for Rs 1200, then what is the profit percentage of retailer?

If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

Find the odd word/number/letters from the given alternatives

If x + y = 3, then what is the value of x3 + y3 + 9xy?

The value of 8(sin6θ + cos6θ) - 12(sin4θ + cos4θ) is equal to