Delhi University MCA Ratio And Proportion Previous Year Questions (PYQs)
A Place for Latest Exam wise Questions, Videos, Previous Year Papers,
Study Stuff for MCA Examinations
Study Stuff for MCA Examinations
Average of ten numbers in a list is 25.If one of the numbers in the list is exchanged with another number the average of the new list increases by 5. What is the new number included in the list , if the original number was 15?
1
2
3
4
Solution
Average of 10 numbers
⇒ Sum of 10 numbers
New average
⇒ New sum
Increase in sum
Let the new number be
Then
⇒
Answer:
How much of acid is in the 10 liter of a 60% solution, of acid and water solution?
1
2
3
4
Solution
Total solution
Percentage of acid
⇒ Amount of acid
Answer:
Delhi University MCA
Online Test Series,
Information About Examination,
Syllabus, Notification
and More.
View More
Delhi University MCA
Online Test Series,
Information About Examination,
Syllabus, Notification
and More.
View More
Ask Your Question or Put Your Review.
