Lesson eLearning

Ravi has 30 marbles and Sita has none. Ravi gives 4 marbles to Sita, then Sita gives 2 marbles back to Ravi. How many marbles does each have now?

hard 3 marks Class 3 · Mathematics · Fun with Give and Take
Answer
Ravi has 28 marbles and Sita has 2 marbles

The correct answer is Ravi has 28 marbles and Sita has 2 marbles — Final counts: Ravi has 28 marbles, Sita has 2 marbles.

Step-by-step solution

  1. Initially Ravi = 30 marbles, Sita = 0 marbles.
  2. Ravi gives 4 to Sita: Ravi = , Sita = .
  3. Sita gives 2 back to Ravi: Ravi = , Sita = .
  4. Final counts: Ravi has 28 marbles, Sita has 2 marbles.
Common mistake: Not updating both counts after each transfer

Concept tested: Sequential give and take

Published · How this solution was prepared and checked

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