WBCS.LIVE practice question

In the fashion of ‘as many rows as saplings’ it is be found that 6 saplings are redundant to plant 127 saplings in a garden. How many rows are in the garden ?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 13
  2. 15
  3. 11
  4. 7

Correct answer and explanation

Correct answer: 11

Explanation: ✅ Correct Answer: C. 11 📚 Explanation: The number of saplings actually planted is 127 - 6 = 121. For the garden to have as many rows as saplings in each row, the number must be a perfect square. The square root of 121 is 11. Therefore, there are exactly 11 rows in the garden, with 11 saplings in each row.