Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें
8 प्र: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या अनुमानित मान आना चाहिए?
5223÷36×0.93=?
2768 05d4aadc6108bca202e8a5dc2
5d4aadc6108bca202e8a5dc25223÷36×0.93=?
- 1135true
- 2125false
- 3145false
- 4155false
- 5115false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "135"
प्र: A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ? 2767 05b5cc77fe4d2b419777501ce
5b5cc77fe4d2b419777501ce- 124.52 litresfalse
- 229.63 litrestrue
- 328.21 litresfalse
- 425.14 litresfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "29.63 litres"
व्याख्या :
Answer: B) 29.63 litres Explanation: Given that container has 50 litres of milk. After replacing 8 litres of milk with water for three times, milk contained in the container is: ⇒501-8503 ⇒50×4250×4250×4250 = 29.63 litres.
प्र: यदि A:B=3:4, B:C=8:9 और C:D=15:16 है तो A:D बताइएं। 2765 15d1b15621fc62311c7736872
5d1b15621fc62311c7736872- 15:8true
- 25:7false
- 315:32false
- 420:44false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "5:8"
प्र: Two trains start from same place at same time at right angles to each other. Their speeds are 36km/hr and 48km/hr respectively. After 30 seconds the distance between them will be ? 2758 05b5cc731e4d2b4197774f819
5b5cc731e4d2b4197774f819- 1900 mtsfalse
- 2300 mtsfalse
- 3250 mtsfalse
- 4500 mtstrue
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उत्तर : 4. "500 mts"
व्याख्या :
Answer: D) 500 mts Explanation: Using pythagarous theorem,distance travelled by first train = 36x5/18x30 = 300mdistance travelled by second train = 48x5/18x30 = 400mso distance between them =√( 90000 + 160000) = √250000 = 500mts.
प्र: 36 संतेरे बेचने पर एक फल विक्रेता को 4 संतरों के विक्रय मूल्य के बराबर हानि होती है। उसका हानि प्रतिशत क्या होगा? 2756 05d133058925caa2d5bbbff6b
5d133058925caa2d5bbbff6b- 110%true
- 234%false
- 313%false
- 414%false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "10%"
प्र: Arun and Varun started business in partnership investing Rs. 20,000 and Rs. 15,000 respectively. After six months, Akhil joined them with Rs. 20,000. What will be Varun's share in the total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business ? 2755 05b5cc6fbe4d2b4197774f0f1
5b5cc6fbe4d2b4197774f0f1- 1Rs. 7500true
- 2Rs. 4520false
- 3Rs. 8750false
- 4Rs. 6350false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "Rs. 7500"
व्याख्या :
Answer: A) Rs. 7500 Explanation: Arun : Varun : Akhil = (20000 x 24) : (15000 x 24) : (20000 x 18) = 4:3:3 B's share = 25000 x 3/10 = Rs. 7500.
प्र: A mixture of 70 litres of Fruit Juice and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12.5% water ? 2753 05b5cc6dfe4d2b4197774eb1b
5b5cc6dfe4d2b4197774eb1b- 12 littrue
- 24 litfalse
- 31 litfalse
- 43 litfalse
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उत्तर : 1. "2 lit"
व्याख्या :
Answer: A) 2 lit Explanation: Quantity of fruit juice in the mixture = 70 - [70 x (10/100) ]= 63 litres. After adding water, juice would form 87.5% of the mixture. Hence, if quantity of mixture after adding x liters of water, [(87.5) /100 ]*x = 63 => x = 72 Hence 72 - 70 = 2 litres of water must be added.
प्र: The minimum number of half years in which a sum of money kept at 60% compound interest will be quadrupled is ? 2749 05b5cc77fe4d2b4197775016f
5b5cc77fe4d2b4197775016f- 12false
- 24false
- 33false
- 46true
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उत्तर : 4. "6"
व्याख्या :
Answer: D) 6 Explanation: Let us assume Amount be 100 Rs and we calculate in CI First year 60% of 100 = 60 amount (100+60) is 160 Second year 60% of 160 = 96 amount (160+96) is 256 Third year 60% of 256 =153.6 amount (256+153.6) is 409.6 Here the Amount of 100 Rs is quadrapled in 3 years. One year contains 2 half years Three year has 6 half years. Therefore, It takes 6 half years.