Quantitative Aptitude - Arithmetic Ability Questions

On a certain item profit is 150%. If the cost price increases by 25% what will be the new profit margin (in %)?

In the following question, select the odd word from the given alternatives.

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A, B and C can together do a job in 9 days. C alone can do the job in 36 days. In how many days can A and B do 50% of the job working together?

P, Q and R alone can complete a work in 12, 15 and 20 days respectively. In how many days will they together complete the same work?

The average of 41 consecutive odd numbers is 49. What is the largest number.

If x=8+215, then what is the value of x+1x?

While selling an article for Rs 18450, a person suffered a loss of 50%. At what price he should have sold the article (in Rs) to earn a profit of 50%?