Bangladesh India Friendship Power Company Limited || Junior Assistant Manager(Storing /Clearing) (08-11-2023) || 2023
All
Total students not enrolled in either course = Total students - (Students taking French + Students taking German - Students taking both)
Total students = 78
Students taking French = 41
Students taking German = 22
Students taking both = 9
Total students not enrolled in either course = 78 - (41 + 22 - 9) = 16 students.
Say is the original price of an orange and n is the number of orange can buy at 12 tk, then:
;
and
New price 0.6x and new orange quantity n+4
Then, -->
-->
-->
-->
.
So, for 24tk, 24/2=12 oranges can be purchased at the original price of 2tk
Answer the following questions:
4.
If the mean of numbers 28, x, 42, 78 and 104 is 62, what is the mean of 48, 62, 98, 124 and x?