SSC
Government Jobs Exams
Numerical Ability
Algebra
The mean of a set of numbers is x . If each number is
increased by λ, the mean of the net set is-
(a) x (b) x + λ
(c) λ x (d) None of these
Read Solution (Total 0)
SSC Other Question
A group of 10 items has mean 6. If the mean of 4 of
these items is 7.5, then the mean of the remaining items
is-
(a) 6.5 (b) 5.5 (c) 4.5 (d) 5.0
If a variable takes the discrete values α + 4, α –
2
7
,
α –
2
5
, α – 3, α – 2, α +
2
1
, α –
2
1
, α + 5 (α > 0),
then the median is