The correct answer is 'A', i.e. the error lies in this part of the sentence. Key Points The error lies in the incorrect usage of noun. 'Furnitures' needs to be replaced with 'furniture'. Furniture is an uncountable noun and as per rule, uncountable nouns are never made plural with the help of 's/es'. Thus, the correct answer is option 1. Therefore, the correct sentence is: 'All the furniture have been sent to the old office located in a town.' Additional Information Uncountable Noun: uncountable nouns are substances, concepts etc that we cannot divide into separate elements. Hinglish त्रुटि noun के गलत उपयोग में निहित है। 'Furnitures' को 'furniture' से बदलने की जरूरत है। फर्नीचर एक uncountable noun है और नियम के अनुसार, uncountable nouns को कभी भी 's/es' की मदद से बहुवचन नहीं बनाया जाता है। अत: सही उत्तर विकल्प 1 है।