[1 Mark Question Answer]

Questions

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3 questions · timed · auto-graded

Question 11 Mark

Find the arithmetic mean of:
3x - 2y and 3x + 2y

Answer

Arithmetic mean of $(3 x -2 y )$ and $(3 x +2 y )=\frac{3 x-2 y+3 x+2 y}{2}=\frac{6 x}{2}=3 x$

Question 21 Mark

Find the arithmetic mean of -5 and 41.

Answer

Arithmetic mean of -5 and $41=\frac{-5+41}{2}=\frac{36}{2}=18$

Question 31 Mark

Insert one arithmetic mean between 3 and 13.

Answer

Arthmetic mean between 3 and $13=\frac{3+13}{2}=\frac{16}{2}=8$

[1 Mark Question Answer] - Mathematics STD 10 Questions - Vidyadip

Mathematics [1 Mark Question Answer]