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कुनै गाउँको 120 घरधुरीमा गरिएको सर्वेक्षणमा 70 घरधुरीले होमस्टेको व्यवसाय र 50 घरधुरीले कृषि व्यवसाय गर्छन् । 30 घरधुरीले अन्य काम गर्छन् । होमस्टे र…

SEE Class 10 Compulsory Maths · 2081 · Solved Question with Answer

कुनै गाउँको 120 घरधुरीमा गरिएको सर्वेक्षणमा 70 घरधुरीले होमस्टेको व्यवसाय र 50 घरधुरीले कृषि व्यवसाय गर्छन् । 30 घरधुरीले अन्य काम गर्छन् । होमस्टे र कृषि व्यवसाय गर्ने घरधुरीहरूको समूहलाई क्रमशः H र A ले जनाइएका छन् ।

In the survey conducted on 120 households of a village, 70 households are doing homestay business, 50 households are doing agriculture business and 30 households do other work. The sets of household doing homestay and agriculture business are denoted by H and A respectively.

(a) होमस्टे र कृषिमध्ये कुनै पनि व्यवसाय नगर्नेको संख्यालाई गणनात्मकता सङ्केतमा लेख्नुहोस् ।

Write the cardinality notation of the number of households who do not do any of the homestay and agriculture business.

(b) माथिको जानकारीलाई भेनचित्रमा प्रस्तुत गर्नुहोस् ।

Present the above information in venn-diagram.

(c) एउटा मात्र व्यवसाय गर्ने घरधुरीको सङ्ख्या निकाल्नुहोस् ।

Find the number of households doing only one business.

(d) अन्य काम गर्ने 10 घरधुरीले होमस्टे व्यवसाय सुरु गर्न थाले भने होमस्टे र कृषि व्यवसाय गर्ने घरधुरीको अनुपात निकाल्नुहोस् ।

If 10 households who do other work start home stay business, find the ratio of homestay and agriculture business households.

Solution

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