Quantitative Aptitude - Arithmetic Ability Questions

Which of the fractions given below is not equal to 4/11 ?

The difference between cost price and selling price is Rs 221. If profit percentage is 17%, then what is the selling price (in Rs)?

If on an item there is 12% discount on the marked price of Rs 10,000 but the item is sold at Rs 8,360 only then what additional discount (in %) did the customer get?

Given: 6x + 2(6-x) > 2x -2 < 5x/2 - 3x/4; then x can take which of the following values?

If the cost of 17 m of cloth is Rs. 77 5/7, find its cost per meter in Rs.?

What is the reflection of the point (2, -3.5) in the y-axis?

What is the value of Sin 30- √2 Cos 30

X does 25% of a work in 20 days. Y joins X and they together finish the remaining work in 15 days. Y alone can do the whole work in ___ days.