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एउटा विद्यालयको 120 जना विद्यार्थीहरूमा गरिएको सर्वेक्षणमा फुटबल मात्र र भलिबल मात्र खेल्न मन पराउने विद्यार्थीहरूको अनुपात 2:1 पाइयो । साथै 20 जना…

SEE Class 10 Compulsory Maths · 2082 · Solved Question with Answer

एउटा विद्यालयको 120 जना विद्यार्थीहरूमा गरिएको सर्वेक्षणमा फुटबल मात्र र भलिबल मात्र खेल्न मन पराउने विद्यार्थीहरूको अनुपात 2:1 पाइयो । साथै 20 जना विद्यार्थीहरू फुटबल र भलिबल दुवै खेल खेल्न मन पराउने र 10 जना यी दुवैमध्ये कुनै पनि खेल खेल्न मन नपराउने पाइयो ।

In a survey conducted among 120 students of a school, the ratio of the students who liked to play football only and volleyball only was found to be 2:1. Also there were 20 students who liked to play both football and volleyball and 10 students who did not like any of these two games.

(a) यदि फुटबल र भलिबल खेल्न मन पराउने विद्यार्थीहरूको समूह क्रमशः F र V छन् भने दुवै खेल खेल्न मन पराउने विद्यार्थीहरूको समूहलाई गणनात्मकता सङ्केतमा लेख्नुहोस् ।

If F and V are the sets of students who like to play football and volleyball respectively, write the set of students who like to play both games in cardinality natation.

(b) दिइएको जानकारीलाई भेनचित्रमा प्रस्तुत गर्नुहोस् ।

Present the given information in a Venn-diagram.

(c) फुटबल खेल्न मन पराउने विद्यार्थीहरूको सङ्ख्या पत्ता लगाउनुहोस् ।

Find the number of students who like to play football.

(d) भलिबल खेल्न मन पराउने विद्यार्थी सङ्ख्या फुटबल खेल्न मन पराउने विद्यार्थी सङ्ख्याभन्दा कति प्रतिशतले बढी वा कम छ ? तुलना गर्नुहोस् ।

By what percentage the number of students who like to play volleyball is more or less than the number of students who like to play football? Compare it.

Solution

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