Multiple choice questions II — task. Mathematics State Board, Class 9.

UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

1. The mean of

$a$ ,

$b$ ,

$c$ ,

$d$ and

$e$ is

$28$ . If the mean of

$a$ ,

$c$ and

$e$ is

$24$ , then mean of

$b$ and

$d$ is .

2. If the mean of five observations

$x$ ,

$x + 2$ ,

$x + 4$ ,

$x + 6$ ,

$x + 8$ is

$11$ , then the mean of first three observations is .

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content