Question 5
The mean of four numbers is 5 and the mean deviation is 3. Find the fourth number if the mean deviation of the first 3 numbers is 2.
Objective
Question details
- Exam body
- NDA
- Subject
- Mathematics
- Year
- 2018/2019
- Question no.
- #5
- Type
- Objective
More from this paper
- Q1A number of the form An 2 + bn 2 + Cn + d where A = 4, b = 2, c = 2, d = 1 and n…
- Q2Find X if 9 x-2 = 81
- Q3Solve for Sin X, if Sin 2 x + Sin x - 2 = 4
- Q7Find the angle between the straight lines y=4x-7 and y =3x + 1.
- Q8A cadet jogged at 20km/h from Old Site to New Site and on his return, he jogged…
- Q9The points of intersection between 3x - y = 7 and x + 2y - 4 = 0 is