Question

Find the area 50 50 50 40 40 15 15 20

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Answer 1

Answer:-

Let the breadth of the wall be x metres.

Then, Height = 5x metres and Length = 40x metres.

x * 5x * 40x = 12.8

=>x3 =12.8/200 = 128/2000 =64/1000

=> x = 4/10 m

=> x = (4/10)*100 = 40 cm.

hope it helps ✅✅✅

#MichAditi✨✌️

Answer 2

Step-by-step explanation:

Correct option is

C

30−40

To find the median class:

First add the total number of frequencies.

Here, f=100

=

2

(Total number of frequency)

=

2

(100)

=50

Hence, the value 50 lies in the class interval 30-40 from the cummulative frequency table.