Think about the defination of mode.

Use the formula of median as data is already arranged in ascending order.

Find how many observations are there and which formula should be used.

Think about the odd number and formula used to find median.

Think about the defination of each option.

Please try to find out mean, median and mode of the data.

Find out that which number in the data is having greatest frequency.

Find the median and mode. Then, add them.

Put the numbers in ascending order and check where we can put the x so that the median will be 5.

Think about the procedures of calculating each which is given in options.