Study the information given below and answer the question that follows:
An article was bought for Rs. 5200. Its price was marked up by 15%. Thereafter it was sold at a discount of 9% on the marked price.
For the following questions answer them individually
A and B together can complete a particular task in 4 days. If A alone can complete the same task in 12 days, how many days will B take to complete the task if he works alone ?
What should come in the place of question mark (?) in the following number series?
For the following questions answer them individually