Question

The mean of five number is 50 out of mean of four number is 46 find the fifth number​

Answer 1

$\Large{\frak{Solution:}}$

$\\ \\\sf{5^{th}\;number=Sum\;of\;5\;numbers\;-\;Sum\;of\;4\;numbers}\\ \\\\:\implies\sf{5^{th}\; number = 5 \times 50 \;- \;46\times\;4}\\ \\ :\implies\sf{5^{th}\; number = 250 - 184}\\\\ :\implies\sf{5^{th}\; number\; = 66}\\\\\sf{\therefore Hence,\;the\;fifth\;number\;is\;66.}$

Answer 2

The fifth no. [5x]=250-184=66

Thank you!!

@itzshivani