18. Average of 3, 4, x
and 5 is 5, then the value of x must be:
(A) 6
(B) 10
(C) 8
(D) 9
(E) None of these
Answers
Answered by
1
Answer:i
8 is the right answer in my opinion
average=sum of no./ no.given
5=4+3+5+x/4
5=12+x/4
5×4=12+x
20=12+x
20-12=x
8=x
sidra7084:
can you write please in explanation
by the way your answer is correct but explanation
kardiya
thanks
koi na
Answered by
0
Answer:
right answer of this question is option no (e)
explanation???????...
non of these
none*
3:4 :: x:5
we have to find average not proportion
3×5 = 4×X
15 = 4x
so x = 15/4
but there is no option of 15 ok
yes
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