GRE प्रश्न और उत्तर का अभ्यास करें
8प्र: Two boys and a girl can do a work in 5 days, while a boy and 2 girls can do it in 6 days. If the boy is paid at the rate of 28$ a week, what should be the wages of the girl a week ? 5560 05b5cc74ae4d2b4197774faa4
5b5cc74ae4d2b4197774faa4- 124 $false
- 222 $false
- 316 $true
- 414 $false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "16 $"
व्याख्या :
Answer: C) 16 $ Explanation: Let the 1 day work of a boy=b and a girl=g, then2b + g = 1/5 ---(i) andb + 2g = 1/6 ---(ii)On solving (i) & (ii), b=7/90, g=2/45As payment of work will be in proportion to capacity of work and a boy is paid $ 28/week, so a girl will be paid 28×245790 = 16 $.
प्र: What was the day of the week on 17th June, 1998 ? 5531 75b5cc761e4d2b4197774fd16
5b5cc761e4d2b4197774fd16- 1Mondayfalse
- 2Tuesdayfalse
- 3Wednesdaytrue
- 4Fridayfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "Wednesday"
व्याख्या :
Answer: C) Wednesday Explanation: 17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)Odd days in 1600 years = 0Odd days in 300 years = 197 years has 24 leap years + 73 ordinary years.Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.Jan. Feb. March. April. May. June.(31 + 28 + 31 + 30 + 31 + 17) = 168 days168 days = 24 weeks = 0 odd day.Total number of odd days = (0 + 1 + 2 + 0) = 3.Given day is Wednesday.
प्र: Grass : Erosion :: Dam : ? 5529 05b5cc6ade4d2b4197774d0df
5b5cc6ade4d2b4197774d0df- 1Watertrue
- 2Freezefalse
- 3Currentfalse
- 4Rainfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Water"
व्याख्या :
Answer: A) Water Explanation: Here Grass is to Erosion and whereas Dam is to Water. Since Grass prevents Erosion similarly Dam prevents Water flow. Hence, Grass : Erosion :: Dam : Water.
प्र: व्यक्तिगत कंप्यूटर की सीपीयू गति है 5522 25b5cc66de4d2b4197774bff8
5b5cc66de4d2b4197774bff8- 11 MIPSfalse
- 2100 KIPSfalse
- 332 KIPStrue
- 432 MIPSfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "32 KIPS"
व्याख्या :
Answer: C) 32 KIPS व्याख्या: निर्देश प्रति सेकंड (IPS) कंप्यूटर के प्रोसेसर की गति का एक माप है। पर्सनल कंप्यूटर की CPU स्पीड 32 KIPS (किलो इंस्ट्रक्शन प्रति सेकंड) होती है।
प्र: Statement: The experts group on Technical Education has stressed that Computer Education should be provided to children from primary school itself. It should be implemented in urban and rural school, simultaneously. Courses of action:a) Government should issue instructions to all school for Computer Education.b) At least one teacher of each school should be trained in Computer operations for teaching children. 5511 05b5cc723e4d2b4197774f654
5b5cc723e4d2b4197774f654- 1Both a and b followstrue
- 2Only a followsfalse
- 3Only b followsfalse
- 4Neither a nor b followsfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Both a and b follows"
व्याख्या :
Answer: A) Both a and b follows Explanation: Both are the right courses of action for effective implementation of Computer Education at primary level urban and rural schools.
प्र: egg: fish : : ________ : plant 5493 05b5cc6d9e4d2b4197774e848
5b5cc6d9e4d2b4197774e848- 1seedtrue
- 2stemfalse
- 3rootfalse
- 4leaffalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "seed"
व्याख्या :
Answer: A) seed Explanation: Fish is from eggs whereas plant is from seeds.
प्र: निम्नलिखित में से कौन कंट्रोल यूनिट का कार्य नहीं है? 5443 05b5cc6aae4d2b4197774cf93
5b5cc6aae4d2b4197774cf93- 1निर्देशों की व्याख्या करेंfalse
- 2निर्देश पढ़ेंtrue
- 3निर्देश निष्पादित करेंfalse
- 4प्रत्यक्ष संचालनfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "निर्देश पढ़ें"
व्याख्या :
Answer: B) निर्देश पढ़ें स्पष्टीकरण: नियंत्रण इकाई कार्य कर सकती है निर्देशों की व्याख्या करें, निर्देश निष्पादित करें और प्रत्यक्ष संचालन करें। लेकिन निर्देश पढ़ना कंट्रोल यूनिट का कार्य नहीं है।
प्र: A man reaches his office 20 min late, if he walks from his home at 3 km per hour and reaches 30 min early if he walks 4 km per hour. How far is his office from his house ? 5416 05b5cc74ae4d2b4197774fa68
5b5cc74ae4d2b4197774fa68- 120 kmfalse
- 216 kmfalse
- 314 kmfalse
- 410 kmtrue
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 4. "10 km"
व्याख्या :
Answer: D) 10 km Explanation: Let distance = x km.Time taken at 3 kmph : dist/speed = x/3 = 20 min late.time taken at 4 kmph : x/4 = 30 min earlierdifference between time taken : 30-(-20) = 50 mins = 50/60 hours.x/3- x/4 = 50/60x/12 = 5/6x = 10 km.