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Find the least number which must be added to 1205 so that the resulting number is a perfect square.

Sq & Sq Roots

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Answer

Find the least number which must be added to 1205 so that the resulting number is a perfect square. Squares and Square Roots, Concise Mathematics Solutions ICSE Class 8.

Clearly, 1205 is greater than 342.

∴ On adding the required number to 1205, we shall be getting 352 i.e, 1225

So, the required number = 1225 - 1205 = 20.

Hence, 20 should be added to 1205.

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