Question

.
The class mark of the class 90-120 is​

Answer 1

Answer:

class mark = lower limit+ upper limit / 2

90+120/2

210/2

105

105 is the class mark

Answer 2

Answer:

For finding class we have add both upper limit and lower limit and divided by 2

Here upper limit = 90

Lower limit = 120

$\frac{90 + 120}{2} = \frac{210}{2} = 105$

Therefore,

• Class mark = 105