Question
A and B together can complete a work in 10 days. B alone
can complete the same work in 25 days. In how many days can A alone complete the work?Solution
ATQ, Let total work = LCM(10, 25) = 50 units. (A + B)’s 1-day work = 50/10 = 5 units B’s 1-day work = 50/25 = 2 units So A’s 1-day work = 5 − 2 = 3 units Time taken by A alone = 50 / 3 days = 16⅔ days
If a teacher gives scores to correct responses in a class-test and enlists total marks of each learner, he/she has done:
What are the essential elements of continuous assessment for learning?
(a) It is used for passing judgement on the child
(b) It has to be ...
On which list is education in Indian Constitution?
एक तेज़ और कुशल तरीका है जिससे विद्यार्थियों को त्वरित प्�...
Which of the following is not the limitation of an achievement test?
A collection of the student's work in an area, showing growth, self-reflection, and achievements is known as:
How can a teacher develop creativity in himself and the learners?
Which of the following tool can be used for formative assessment in E.V.S?
A Teacher is supposed to be the Friend, Philosopher, and Guide. He should plan his evaluation while keeping in mind all types of learning aspects. As a ...
Assertion (A): The scores of the 12th Grade board examinations are crucial for admission to professional courses in India.
Reason (R): Competitiv...
Relevant for Exams:
