Bank Exams प्रश्न और उत्तर का अभ्यास करें
8प्र: Two persons K and L can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days ? 1710 05b5cc6d8e4d2b4197774e7aa
5b5cc6d8e4d2b4197774e7aa- 11/6true
- 21/3false
- 32/3false
- 41/18false
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उत्तर : 1. "1/6"
व्याख्या :
Answer: A) 1/6 Explanation: K's one day's work = 1/30 L's one day's work = 1/45 (K + L)'s one day's work = 1/30 + 1/45 = 1/18 The part of the work completed in 3 days = 3 (1/18) = 1/6.
प्र: What approximate value will come in place of question mark (?) in the following question ? (49.001)2 = ? 1710 05b5cc6c7e4d2b4197774dec3
5b5cc6c7e4d2b4197774dec3- 12500false
- 22400true
- 32600false
- 42300false
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उत्तर : 2. "2400"
व्याख्या :
Answer: B) 2400 Explanation: Given (49.001)2 = ? => =~ 49 x 49 =~ 2401 =~ 2400
प्र: A student multiplied a number by 2/5 instead of 5/2. What is the percentage error in evaluation ? 1710 05b5cc6c0e4d2b4197774dae4
5b5cc6c0e4d2b4197774dae4- 152%false
- 264%false
- 384%true
- 477%false
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उत्तर : 3. "84%"
व्याख्या :
Answer: C) 84% Explanation: Let the number be 'x' Then, according to the given data, 52x-25x52xx100 = 2125x100 = 84%
प्र: Synonym for the word : Bleak 1709 05b5cc6c1e4d2b4197774db9b
5b5cc6c1e4d2b4197774db9b- 1baretrue
- 2lushfalse
- 3warmfalse
- 4verdantfalse
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उत्तर : 1. "bare"
व्याख्या :
Answer: A) bare Explanation: Bleak means an area of land lacking vegetation and exposed to the elements like deserts.
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उत्तर :
व्याख्या :
The given letter equation implies that, 7 C in the R = 7 Colours in a Rainbow.
प्र: What is the function of reverse transcriptase? 1709 05b5cc60de4d2b4197774b5f5
5b5cc60de4d2b4197774b5f5- 1synthesis of RNA from proteinfalse
- 2synthesis of DNA from an RNA templatetrue
- 3synthesis of protein from DNAfalse
- 4synthesis of DNA from proteinfalse
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उत्तर : 2. "synthesis of DNA from an RNA template"
व्याख्या :
Answer: B) synthesis of DNA from an RNA template Explanation: A reverse transcriptase (RT) is an enzyme used to generate complementary DNA (cDNA) from an RNA template by a process called Reverse Transcription. In brief its function is that copies all or part of the virus RNA (retroviruses are RNA-only) as DNA which can then be integrated into the DNA of the host organism.
प्र: A wholesale dealer allows a discount of 20 % on the marked price to the retailer. The retailer sells at 5% below the marked price. If the customer pays Rs.19 for an article, what profit is made by the retailer on it ? 1709 05b5cc72ce4d2b4197774f7ab
5b5cc72ce4d2b4197774f7ab- 1Rs. 4false
- 2Rs. 3true
- 3Rs. 5false
- 4Rs. 1false
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उत्तर : 2. "Rs. 3"
व्याख्या :
Answer: B) Rs. 3 Explanation: Let wholesaler dealers marked price = 100%, Retailer's C.P = 80% And the retailer sells at 5% less than the marked price => S.P = 95%If S.P of 95% of the retailer costs Rs.19 to customer,so its C.P of 80% will cost 80 x 19/95 = 16 Profit made by the retailer = 19-16 = Rs.3
प्र: Twenty times a positive integer is less than its square by 96. What is the integer ? 1708 05b5cc6e7e4d2b4197774ed74
5b5cc6e7e4d2b4197774ed74- 142false
- 236false
- 348false
- 424true
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उत्तर : 4. "24"
व्याख्या :
Answer: D) 24 Explanation: Let the integer be x. Then, x2 - 20x = 96 (x + 4)(x - 24) = 0 x = 24