Question

5- The mean of five num
ber is 10. If each number is decreased by 3, mean of the new number is.
) 13
(b) 10 (c) 7 (d)
None of these
- The median of doto io 20
TE​

Answer 1

Answer:

d) none of these

Step-by-step explanation:

let the five numbers be a, b, c, d and e.

given: a+b+c+d+e / 2 = 10

=> a+b+c+d+e = 20

now,

a-3+b-3+c-3+d-3+e-3 whole divided by 2 is the new mean.

(a+b+c+d+e)-15 divided by 2

20-15 divided by 2

= 5/2

= 2.5