Science · Library Classification
एस.आर. रंगनाथन की कोलन क्लासिफिकेशन (Colon Classification) में निम्नलिखित में से किसे 'रिक्त अंक' (Empty Digits) के रूप में नामित किया गया है?
- 14, X
- 2U, W
- 39, Z✓
- 4T, V
सही उत्तर देखें
9, Z
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