Question

HEY!!!!! answer plssssss!!!!!!​

Answer 1

Heya mate!

Your Answer:

Step-by-step explanation:

Classmark =(upper limit+lower limit)/2

20 = (UL+LL)/2

40 = UL + LL

Class :- 15-25

Pl mark it the brainliest answer if it helps you to get satisfaction of knowledge and experience it....

Answer 2

Answer:

hey simran i got it ... u are in 9th standard

im true na . i caught it as your questions are generally from class 9...

u changed your dp this one is also nice .........

great so you must br needing the answer here it is scroll down dear ,

lass marks are: 15,20,25,...

Lower limit of class 20 is mean of 15 and 20=  

2

15+20

​  

=17.5

Upper limit of class 20 is the mean of 20 and 25=  

2

20+25

​  

=22.5

20 is the class mark for the class interval 17.5−22.5

Step-by-step explanation: