Question

Arnav scored 63 marks in english 57 in hindi 82 in mathematics 55 in social science and x in science if he scored is 60 find average of best 4 of them​

Answer 1

Answer:

Hi dear

Refer the attachment please

Hope it helps u ☺️

Answer 2

Answer:

43 is the value of x

Step-by-step explanation:

mean =

$\frac{sum \: of \: observation}{no.of \: observations}$

$\frac{63 + 57 + 82 + 55 + x}{5} = 60$

$x =( 60 \times 5) - 257 \\ \\x = 300 - 257 \\ = 43$

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