Bank Exams प्रश्न और उत्तर का अभ्यास करें
8प्र: A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw? 2420 05c2c51929fd00135a4b20e3b
5c2c51929fd00135a4b20e3b- 132false
- 248false
- 396false
- 464true
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उत्तर : 4. "64"
प्र: The process of encoding refers to 2420 05b5cc683e4d2b4197774c2e0
5b5cc683e4d2b4197774c2e0- 1getting information into memory.true
- 2the recall of information previously learned.false
- 3a clear memory of an emotionally significant event.false
- 4the persistence of learning over time.false
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उत्तर : 1. "getting information into memory."
व्याख्या :
Answer: A) getting information into memory. Explanation: Encoding refers to the getting information into memory.
प्र: The capacity of a tank is 2400 m3. A pump can be used both for filling and emptying the tank. The emptying capacity of the pump is 10 m3/minute higher than its filling capacity. And also, the pump needs 8 minutes less to empty the tank than to fill it. Find the filling capacity of the pump. 2419 05b5cc6b1e4d2b4197774d332
5b5cc6b1e4d2b4197774d332- 146 cub.m/minfalse
- 244 cub.m/minfalse
- 348 cub.m/minfalse
- 450 cub.m/mintrue
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उत्तर : 4. "50 cub.m/min"
व्याख्या :
Answer: D) 50 cub.m/min Explanation: Let filling capacity of the pump be 'F' m3/min Then, the filling capacity of the pump will be (F + 10) m3/min From the given data, 2400F - 2400F+10= 8⇒ 2400 F+10-FF(F+10) =8⇒ F2 + 10F - 3000 = 0⇒ F = 50 m3/min
प्र: Breeding and management of bees is called 2419 05b5cc68ee4d2b4197774c3bb
5b5cc68ee4d2b4197774c3bb- 1Pisciculturefalse
- 2Sericulturefalse
- 3Silviculturefalse
- 4Apiculturetrue
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उत्तर : 4. "Apiculture"
व्याख्या :
Answer: D) Apiculture Explanation: Breeding and management of bees is called Apiculture. A beekeeper or apiarist keeps bees in order to collect their honey and other products that the hive produces (including beeswax, propolis, flower pollen, bee pollen, and royal jelly), to pollinate crops, or to produce bees for sale to other beekeepers. A location where bees are kept is called an 'apiary' or 'bee yard.'
प्र: Which of the following is the lightest metal? 2418 05b5cc6a1e4d2b4197774cae5
5b5cc6a1e4d2b4197774cae5- 1Lithiumtrue
- 2Silverfalse
- 3Mercuryfalse
- 4Leadfalse
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उत्तर : 1. "Lithium"
व्याख्या :
Answer: A) Lithium Explanation: Lithium is the lightest metal and the lightest solid element. It is a soft, silvery-white alkali metal. Under standard conditions. Like all alkali metals, lithium is highly reactive and flammable and is stored in mineral oil.
प्र: There are 600 Kabaddi players 4% wear knee band on one leg. Of the remaining, 25% wear knee bands on both legs. How many players don't wear a knee band ? 2418 05b5cc741e4d2b4197774f9db
5b5cc741e4d2b4197774f9db- 1426false
- 2428false
- 3415false
- 4432true
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उत्तर : 4. "432"
व्याख्या :
Answer: D) 432 Explanation: There are 600 Kabaddi players4% wear knee band on one legRemaining players = 600 x 0.96 = 576Of the remaining, 25% wear knee bands on both leg and Of the remaining, 75% do not wear knee bands .So players not wearing knee bands = 0.75 x 576 = 576 x 3/4 = 144 x 3 = 432.
प्र: Indian Water falls "Kunchikal falls" is in which state ? 2417 05b5cc6f1e4d2b4197774ef64
5b5cc6f1e4d2b4197774ef64- 1Odishafalse
- 2Maharastrafalse
- 3Rajasthanfalse
- 4Karnatakatrue
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उत्तर : 4. "Karnataka"
व्याख्या :
Answer: D) Karnataka Explanation: Kunchikal falls of India is of height 1493 ft is in Karnataka state of the river Varahi.
प्र: A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work ? 2417 05b5cc6e5e4d2b4197774ed3d
5b5cc6e5e4d2b4197774ed3d- 114 daystrue
- 218 daysfalse
- 321 deaysfalse
- 416 daysfalse
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उत्तर : 1. "14 days"
व्याख्या :
Answer: A) 14 days Explanation: Let A worked for x days. x/21 + 4/28 = 1 => x = 18 A worked for 18 days. So, A can complete the remaining work in 18 - 4 = 14 days.

