Average of consecutive integers, evens or odds (the middle term)

1. A.
   $\dfrac{3 (a + n)}{2}$
2. B.
   $\dfrac{(5l + 7d)}{4}$
3. C.
   $\dfrac{(a + b + m + n)}{4}$
4. D.
   None of the above

Tap an option to check your answer.

1. A.
   57
2. B.
   58
3. C.
   59
4. D.
   60

Tap an option to check your answer.

1. A.
   $x + 1$
2. B.
   $x + 2$
3. C.
   $x + 4$
4. D.
   $x + (x/54)$

Tap an option to check your answer.

1. A.
   $m$
2. B.
   $m - 1$
3. C.
   $m - 2$
4. D.
   $m - 3$

Tap an option to check your answer.

1. A.
   $M - 1$
2. B.
   $M$
3. C.
   $M + 1$
4. D.
   $M + 2$

Tap an option to check your answer.

1. A.
   0
2. B.
   0.5
3. C.
   1
4. D.
   2

Tap an option to check your answer.