JEE Main 2003 Mathematics question

The median of a set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2 , then median of the new set

(1)remains the same as that of the original setCorrect
(2)is increased by 2
(3)is decreased by 2
(4)is two times the original median

Answer: (1)

Solution

With 9 observations in increasing order, the median is the 5th one. Increasing the largest four (6th to 9th) by 2 keeps them above the 5th

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-038243