Question 46
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A Child has 1200 five rupee coins. He wants to place them in such a way that the number of rows and the number of columns remains the same. What is the minimum number of coins that he needs more for this purpose?
- A 125
- B 96
- C 35
- D 25 Correct
Correct Answer: Option D
We know that, to be in the form that the number of rows and the number of columns to be equal the number should be a perfect square 
Given number is 1200
The perfect number which is above and near to 1200 is 1225 which is 35 x 35.
The minimum number of coins he need is 25.
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