Question
In how many ways can three girls and three boys be
seated in a straight line such that three girls never sit together?Solution
3 boys and 3 girls Total =6 Total way to make everyone sit in a straight line=6! =6×5×4×3×2×1=720 If we consider 3 girls as 1 then the total=3+1=4! How to make all three girls sit together in a straight line=4! ×3! =4×3×2×3×2=144 So, the total way to avoid sitting with all three girls is=720-144=576
______ is a fast and efficient way to provide immediate feedback to the learner, and to save time on tutor marking.
Where is the First Central Institute of Vocational Education located?
The issue of 'academic burden on students' was examined by _______Â
To make learning effective, a goal must be meaningful in terms ______ ?
What does "CCE" in school education stand for?
Which of the following affects an individual's development at a given time?
Application, analysis, and synthesis are examples of:
Having variety of question sets in a question paper increases it __________
You want to ensure participation of more students in class. Which of the following methods of teaching would you adopt?
In Portfolio assessment, which of the following should be given priority?
Relevant for Exams:
