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प्रतिशत Difficult Questions and Answers | Page - 2
प्रतिशत
सूरी अपने मासिक वेतन का 25% अपनी माँ को देती है। बचे हुए वेतन में से वह 15% किराए पर खर्च करती है तथा 25% मासिक खर्चों के लिए अपने पास रख लेती है। शेष बचे हुए धन को वह बैंक में जमा कर देती है। बैंक में जमा किए गए धन तथा माँ को दिए गए धन का योग रु 42000 है। उसका मासिक वेतन कितना है ?
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माना सूरी का मासिक वेतन = रु P
सही विकल्प: B
माना सूरी का मासिक वेतन = रु P
इतिहास की परीक्षा में सम्पूर्ण कक्षा का औसत 80 अंक था। यदि 10% विद्यार्थियों ने 95 अंक अर्जित किए एवं 20% विद्यार्थियों ने 90 अंक , तो कक्षा में शेष विद्यार्थियों के अंकों का औसत कितना था ?
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∴ शेष विद्यार्थियों के अंकों औसत = ( शेष विद्यार्थियों के अंकों योग/शेष विद्यार्थियों की कुल संख्या ) x 100 %
सही विकल्प: C
माना कक्षा में विद्यार्थियों की कुल संख्या = 100
एक व्यक्ति का मासिक वेतन रु 5180 है। खाद्य सामग्री तथा अन्य मदों में उसके खर्च का अनुपात 2 : 5 है। यदि खाद्य सामग्री के मूल्यों में 10% वृद्धि हो तथा अन्य मदों पर काम आने वाली वस्तुओं के मूल्यों में 15% वृद्धि हो , तो उस व्यक्ति के वेतन में कितनी वृद्धि की जाए कि उसकी विभिन्न मदों में खपत में कोई परिवर्तन न हो ?
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खाद्य सामग्री तथा अन्य मदों में खर्च का अनुपात = 2 : 5
सही विकल्प: D
खाद्य सामग्री तथा अन्य मदों में खर्च का अनुपात = 2 : 5
एक विद्यालय में 72% कर्मचारी चाय तथा 44% कर्मचारी कॉफ़ी पीते हैं। यदि प्रत्येक कर्मचारी चाय या कॉफ़ी अवश्य पीता हो तथा 40 कर्मचारी चाय तथा कॉफ़ी दोनों पीते हों ,तो उस विद्यालय में कुल कितने कर्मचारी हैं ?
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माना कुल कर्मचारियों की संख्या = 100
सही विकल्प: C
माना कुल कर्मचारियों की संख्या = 100
एक व्यक्ति अपनी आय के 10% की बचत करता है , किन्तु 2 वर्ष बाद जब उसकी आय 20% बढ़ गई , तब भी वह पहले जितनी ही राशि की बचत कर सका। उसका व्यय कितने प्रतिशत बढ़ गया है ?
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माना व्यक्ति की मूल आय = रु A
सही विकल्प: A
माना व्यक्ति की मूल आय = रु A 2 /9 %2 /9 % बढ़ गया है।
