GATE प्रश्न और उत्तर का अभ्यास करें
8प्र: In a certain code language, 'is uc he bh kr' mean 'Lucky likes to dance freely', 'ha by lm kr op' mean 'Dance can be a hobby', 'he id ac kr bh' mean 'Lucky teaches dance to kids' and 'kr id bh tw uc' mean 'Kids dance freely with Lucky'. Now answer the given question. 'Lucky likes to dance with kids' can be coded as ? 2687 05b5cc6cae4d2b4197774e031
5b5cc6cae4d2b4197774e031- 1he kr op id uc twfalse
- 2bh is he kr tw idtrue
- 3ac tw op bh uc idfalse
- 4None of the abovefalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "bh is he kr tw id"
व्याख्या :
Answer: B) bh is he kr tw id Explanation: From given data, codes for Lucky - bh Likes - is to - he Dance - kr with - tw Kids - id Hence, Lucky like to dance with kids can be coded as 'bh is he kr tw id'.
प्र: A number increased by 30% gives 390. The number is 2679 05b5cc6dde4d2b4197774ea1e
5b5cc6dde4d2b4197774ea1e- 1180false
- 2300true
- 3480false
- 4260false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "300"
व्याख्या :
Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.
प्र: 6 men can complete a piece of work in 12 days. 8 women can complete the same piece of work in 18 days whereas 18 children can complete the piece of work in 10 days. 4 men, 12 women and 20 children work together for 2 days. If only men were to complete the remaining work in 1 day how many men would be required totally? 2677 05b5cc6ade4d2b4197774d125
5b5cc6ade4d2b4197774d125- 138false
- 272false
- 336true
- 476false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "36"
व्याख्या :
Answer: C) 36 Explanation: Given 4men, 12 women and 20 children work for 2 days. Workdone for 2 days by 4men, 12 women and 20 children = 4 x 26 x 12 + 12 x 28 x 18 + 20 x 218 x 10 = 12 Therefore, remaining work = 1 - 12 = 12 To complete the same work by only men in 1 day, We know that M1 x D1 = M2 x D2 Here M1 = 6 , D1 = 12 and M2 = M , D2 = 1 12 x 6 = M x 1 => M = 12 x 6 = 72 => But the remaining work = 1/2 Men required => 1/2 x 72 = 36 Only men required to Complete the remaining work in 1 day = 36.
प्र: In a 40 litre mixture of alcohol & water, the ratio of alcohol and water is 5 : 3. If 20% of this mixture is taken out and the same amount of water is added then what will be the ratio of alcohol and water in final mixture? 2677 05b5cc6b2e4d2b4197774d3be
5b5cc6b2e4d2b4197774d3be- 11:1true
- 22:1false
- 33:1false
- 41:2false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "1:1"
व्याख्या :
Answer: A) 1:1 Explanation: Quantity of alohol in the mixture = 40 x 5/8 = 25 lit Quantity of water = 40 - 25 = 15 lit According to question, Required ratio = 20 - 40 x 20100 x 5815 - 40 x 20100 x 38 + 40 x 20100 = 2015 - 3 + 8 = 1 : 1
प्र: Where are saved files stored in computer ? 2675 05b5cc69ee4d2b4197774c95b
5b5cc69ee4d2b4197774c95b- 1Hard disktrue
- 2Cachefalse
- 3RAMfalse
- 4Any of abovefalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Hard disk"
व्याख्या :
Answer: A) Hard disk Explanation: Most operating systems store files on a hard disk.
प्र: The price of commodity X increases by 60 rupees every year, while the price of commodity Y increases by 20 rupees every year. If in 2002, the price of commodity X was Rs. 320 and that of Y was Rs. 740, in which year commodity X will cost 60 rupees more than the commodity Y ? 2675 05b5cc720e4d2b4197774f645
5b5cc720e4d2b4197774f645- 12011false
- 22014true
- 32012false
- 42017false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "2014"
व्याख्या :
Answer: B) 2014 Explanation: If After p years , commodity X will cost 60 rupees more than the commodity Y, then 320 + 60p = 740 + 20p + 60=> p = 12 So in year (2002 + 12 = 2014), commodity X will cost Rs.60 more than the commodity Y.
प्र: A trader mixes 36 kg of rice at Rs. 20 per kg with 14 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is: 2666 05b5cc76ae4d2b4197774fe4a
5b5cc76ae4d2b4197774fe4a- 125%false
- 221.14%false
- 322.54%true
- 427.32%false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "22.54%"
व्याख्या :
Answer: C) 22.54% Explanation: C.P. of 50 kg rice = Rs. (36 x 20 + 14 x 36) = Rs. (720 + 504) = Rs.1224. S.P. of 56 kg rice = Rs. (50 x 30) = Rs.1500. Profit = 1500 - 1224 = Rs.276 Profit % = ProfitC.P×100 = 2761224×100 = 22.54%.
प्र: A man covers a distance of 1200 km in 70 days resting 9 hours a day, if he rests 10 hours a day and walks with speed 1½ times of the previous in how many days will he cover 840 km ? 2666 05b5cc745e4d2b4197774fa0e
5b5cc745e4d2b4197774fa0e- 139 daysfalse
- 237 daysfalse
- 335 daystrue
- 433 daysfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "35 days"
व्याख्या :
Answer: C) 35 days Explanation: Distance d = 1200kmlet S be the speed he walks 15 hours a day(i.e 24 - 9)so totally he walks for 70 x 15 = 1050hrs. S = 1200/1050 => 120/105 = 24/21 => 8/7kmph given 1 1/2 of previous speedso 3/2 * 8/7= 24/14 = 12/7 New speed = 12/7kmph Now he rests 10 hrs a day that means he walks 14 hrs a day. time = 840 x 7 /12 => 490 hrs=> 490/14 = 35 days So he will take 35 days to cover 840 km.

