Bank Exams प्रश्न और उत्तर का अभ्यास करें
8प्र: Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ? 1369 05b5cc764e4d2b4197774fd7b
5b5cc764e4d2b4197774fd7b- 12/3false
- 21/2true
- 37/8false
- 44/5false
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उत्तर : 2. "1/2"
व्याख्या :
Answer: B) 1/2 Explanation: Multiples of 3 below 20 are 3, 6, 9, 12, 15, 18 Multiples of 5 below 20 are 5, 10, 15, 20 Required number of possibilities = 10Total number of possibilities = 20Required probability = 10/20 = 1/2.
प्र: Three unbiased coins are tossed. What is the probability of getting at most two heads ? 1378 05b5cc764e4d2b4197774fd76
5b5cc764e4d2b4197774fd76- 14/3false
- 22/3false
- 33/2false
- 43/4true
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उत्तर : 4. "3/4"
व्याख्या :
Answer: D) 3/4 Explanation: Let S be the sample space.Here n(S)= 23 = 8Let E be the event of getting atmost two heads. Then,n(E) = {(H,T,T), (T,H,T), (T,T,H), (H,H,T), (T,H,H), (H,T,H)}Required probability = n(E)/n(S) = 6/8 = 3/4.
प्र: Which of the following is / are fund managers for National Pension System (NPS) in 2017 ? 1451 05b5cc761e4d2b4197774fd71
5b5cc761e4d2b4197774fd71- 1Axis provident fundfalse
- 2Yes bank pension fundfalse
- 3ICICI prudential pensiontrue
- 4Punjab National provident fundfalse
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उत्तर : 3. "ICICI prudential pension"
व्याख्या :
Answer: C) ICICI prudential pension Explanation: At present in 2017, there are only seven NPS fund managers viz. HDFC Pension Fund, ICICI Prudential Pension, Kotak Pension Fund, LIC Pension Fund, Reliance Capital Pension, SBI Pension Fund and UTI Retirement Solutions.
प्र: Shares of a company given in exchange for work done are called ? 1062 05b5cc761e4d2b4197774fd6c
5b5cc761e4d2b4197774fd6c- 1Secondary sharesfalse
- 2Hot equityfalse
- 3Preferential sharesfalse
- 4Sweat equity sharestrue
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उत्तर : 4. "Sweat equity shares"
व्याख्या :
Answer: D) Sweat equity shares Explanation: A sweat equity share is an equity share issued by the company to employees or directors at a discount or for consideration other than cash for providing know-how or making available rights in the nature of intellectual property rights or value additions.
प्र: If a2+b2 = c2 , then 1logc+ab + 1logc-ab = ? 2599 15b5cc761e4d2b4197774fd67
5b5cc761e4d2b4197774fd67- 11false
- 22true
- 34false
- 48false
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उत्तर : 2. "2"
व्याख्या :
Answer: B) 2 Explanation: Given a2 + b2 = c2 Now 1logc+ab + 1logc-ab = logbc+a + logbc-a = logbc2-a2 = 2logbb = 2
प्र: If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x+y is equal to ? 1065 05b5cc761e4d2b4197774fd62
5b5cc761e4d2b4197774fd62- 15false
- 24false
- 33false
- 42true
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उत्तर : 4. "2"
व्याख्या :
Answer: D) 2 Explanation: Since 653xy is divisible by 5 as well as 2, so y = 0.Now, 653x0 must be divisible by 8.So, 3x0 must be divisible by 8. This happens when x = 2x + y = (2 + 0) = 2.
प्र: If log72 = m, then log4928 is equal to ? 2237 05b5cc761e4d2b4197774fd5d
5b5cc761e4d2b4197774fd5d- 11/(1+2m)false
- 2(1+2m)/2true
- 32m/(2m+1)false
- 4(2m+1)/2mfalse
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उत्तर : 2. "(1+2m)/2"
व्याख्या :
Answer: B) (1+2m)/2 Explanation: log4928 = 12log77×4 = 12+122log72= 12+log72= 12 + m= 1+2m2.
प्र: If x is a whole number, then x²(x² - 1) is always divisible by ? 1932 05b5cc761e4d2b4197774fd58
5b5cc761e4d2b4197774fd58- 14false
- 28false
- 312true
- 4Nonefalse
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उत्तर : 3. "12"
व्याख्या :
Answer: C) 12 Explanation: we can do this by trial and error method. Putting x = 2,we get 2²(2² - 1) = 12.checking with other integers, the above equation always gives a value which is a multiple of 12,So, x²(x² - 1) is always divisible by 12.