passpadi

2016

Mathematics

JAMB

The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is

A.

2

B.

t

C.

-t

D.

-2

Correct Answer: 2

Explanation

Mean = (2−t+4+t+3−2t+2+t+t−1)/5 = 10/5 = 2

Mean = (2−t+4+t+3−2t+2+t+t−1)/5 = 10/5 = 2
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