Which Sura is considered as 1/3 of the Holy Quran?

Which Sura is considered as 1/3 of the Holy Quran?

کون سی سورت قرآن پاک کا 1/3 مانی جاتی ہے؟
Explanation

Surah Al Ikhlas supposed 1/3 of the Holy Quran

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Surah Al-Ikhlas.

The Surah was revealed in Mecca, ordered 112 in the Quran

No. of letters: 47

No. of verses: 4

No. of words: 15