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Let speed of train Y be 'a' km/hr. According to question, => 20(32 + a) × (5/18) = 650 => 640 + 20a = 2340 => 20a = 1700 => a = 85 km/hr
Why is 'learning by doing' important?
A teacher educator offers immediate comments in the following form for classroom behavior as being practiced by the student teacher:
"No, you sho...
Which one of the following is the most important elements in teaching?
Which of the following affects an individual's development at a given time?
When was the National Research Professorship (NRP) scheme instituted by the Government of India?
Why is Environment Awareness necessary at all stages of education?
For a group of Adult Learners a trainer provides information to enable them to understand the information for indicating acceptability or non-acceptabil...
The process of assigning marks/grades to an item is termed as
What is the use of text book in a class?
Which of the following is a characteristic of formative assessment?