प्रश्न और उत्तर का अभ्यास करें
8प्र: Pavan and Sravan are two persons. If Pavan works with his actual efficiency and Sravan twice of his actual efficiency then it takes 25 days to complete the work. But If Pavan works twice of his actual efficiency and Sravan with his normal efficiency then the work is completed in 20 days. How many days would it take if Sravan alone works with his actual efficiency (in Days)? 2023 05b5cc6c7e4d2b4197774ded2
5b5cc6c7e4d2b4197774ded2- 150false
- 2100true
- 370false
- 435false
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उत्तर : 2. "100"
व्याख्या :
Answer: B) 100 Explanation: Let the Efficiency of pavan be E(P) Let the Efficiency of sravan be E(S) Here Work W = LCM(25,20) = 100 Now, E(P+2S) = 100/25 = 4 ....(1) E(2P+S) = 100/20 = 5 ....(2) Hence, from (1) & (2) we get E(S) = 1 => Number of days Savan alone work to complete the work = 100/1 = 100 days.
प्र: शोभा लाल गुप्त द्वारा किस स्थान पर हरिजन एवं भीलों के विकास हेतु एक आश्रम की स्थापना की गई?
2023 0630495da20c0656a1d91fde1
630495da20c0656a1d91fde1- 1बांसवाड़ाfalse
- 2अलवरfalse
- 3वर्धाfalse
- 4सागवाड़ाtrue
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उत्तर : 4. "सागवाड़ा"
प्र: विश्व बैंक का मुख्यालय किस देश में स्थित है?
2023 05db29608dda2a44b4cb5bfff
5db29608dda2a44b4cb5bfff- 1इंग्लैंडfalse
- 2रूसfalse
- 3यू.एस.ए.true
- 4जापानfalse
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उत्तर : 3. "यू.एस.ए."
व्याख्या :
विश्व बैंक का मुख्यालय वाशिंगटन डी.सी. संयुक्त राज्य अमेरिका (यूएसए) में है।
प्र: 45 men working 9 hours per day dig 40 m deep. How many extra men should be put to dig to a depth of 56 m working 7 hours per day ? 2023 05b5cc6dae4d2b4197774e8c8
5b5cc6dae4d2b4197774e8c8- 136true
- 261false
- 348false
- 454false
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उत्तर : 1. "36"
व्याख्या :
Answer: A) 36 Explanation: (45 x 9)/40 = (M x 7)/56 => M = 81 => 81 – 45 = 36
प्र: What was the goal of the temperance movement? 2023 05b5cc622e4d2b4197774b7b5
5b5cc622e4d2b4197774b7b5- 1No alcoholtrue
- 2No tobaccofalse
- 3Both A & Bfalse
- 4None of the abovefalse
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उत्तर : 1. "No alcohol"
व्याख्या :
Answer: A) No alcohol Explanation: The temperance movement of the late nineteenth and early twentieth centuries was an exception in many ways: "Temperance" refers to the moderate consumption of alcoholic beverages. However, in the context of the temperance movement, the term usually indicated complete abstinence, which means drinking no alcohol at all. The goal of the temperance movement in the United States was to make the production and sale of alcohol illegal. Supporters believed that prohibiting alcohol would solve a number of society's problems, making people safer, healthier, and more productive.
प्र: 48 लीटर एवं 42 लीटर क्षमता वाले दो बर्तन दूध एवं पानी के मिश्रण से भरे हुए हैं । उन बर्तनों में दूध एवं पानी का अनुपात क्रमश: 13: 7 एवं 18: 17 है । यदि उन दोनों मिश्रणों को आपस में मिलाने के बाद उसमें 20 लीटर पानी भी मिला दिया जाए तो बने मिश्रण में दूध एवं पानी का अनुपात होगा
2023 0600a8b411187ab38691e5ac2
600a8b411187ab38691e5ac2- 15:12false
- 212:13true
- 37:13false
- 48:15false
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उत्तर : 2. "12:13"
प्र: Which of the following exercise was held between India and Africa? 2023 05c91ea08d37dc97bf075418d
5c91ea08d37dc97bf075418d- 1AFINDEXtrue
- 2INDO-ARfalse
- 3COPE 2019false
- 4Yudh Abhyasfalse
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उत्तर : 1. "AFINDEX"
प्र: Full convertibility of a rupee means ? 2023 05b5cc723e4d2b4197774f6a9
5b5cc723e4d2b4197774f6a9- 1Determination of rate of exchange between rupee and foreign currencies freely by the market forces of demand and supplytrue
- 2Repayment of loans in terms of rupeesfalse
- 3Payment for imports in terms of rupeesfalse
- 4Purchase of foreign exchange for rupees freelyfalse
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उत्तर : 1. "Determination of rate of exchange between rupee and foreign currencies freely by the market forces of demand and supply"
व्याख्या :
Answer: A) Determination of rate of exchange between rupee and foreign currencies freely by the market forces of demand and supply Explanation: