प्रश्न और उत्तर का अभ्यास करें
8प्र: A Conical tent was erected by the army at a base camp with height 3 m and base diameter 10 m. If every person requires 3.92 cu.m air, then how many persons can be seated in that tent approximately? 2333 05b5cc6bfe4d2b4197774da97
5b5cc6bfe4d2b4197774da97- 120true
- 219false
- 317false
- 422false
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उत्तर : 1. "20"
व्याख्या :
Answer: A) 20 Explanation: Given height of the conical tent = 3 m Diameter = 10 => Radius = D/2 = 10/2 = 5 m Now, as the tent is in the conical form Volume of the conical tent = πr2h3 => (22 x 5 x 5 x 3) / (7 x 3) = 22 x 25/7 = 78.54 cu.m Given each person requires 3.92 cu.m of air => Number of persons can be seated in the tent = 78.54/3.92 = 20.03 =~ 20
प्र: According to a survey, which country has become the second largest smartphone market in the world? 1323 05b5cc6bfe4d2b4197774da92
5b5cc6bfe4d2b4197774da92- 1Japanfalse
- 2Chinafalse
- 3Indiatrue
- 4USAfalse
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उत्तर : 3. "India"
व्याख्या :
Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.
प्र: Which day is observed as Rashtriya Ekta Diwas every year in India? 2062 05b5cc6bfe4d2b4197774da8d
5b5cc6bfe4d2b4197774da8d- 131st Julyfalse
- 231st Marchfalse
- 331st Januaryfalse
- 431st Octobertrue
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उत्तर : 4. "31st October"
व्याख्या :
Answer: D) 31st October Explanation:
प्र: Girglani Committee was appointed to examine 5314 05b5cc6bfe4d2b4197774da88
5b5cc6bfe4d2b4197774da88- 1Surplus funds of Telanganafalse
- 2Violation of 610 G.Otrue
- 3Role of Political partiesfalse
- 4Farmer's suicidesfalse
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उत्तर : 2. "Violation of 610 G.O"
व्याख्या :
Answer: B) Violation of 610 G.O Explanation:
प्र: Crack the Missing Letter Puzzle? 2194 05b5cc6bfe4d2b4197774da83
5b5cc6bfe4d2b4197774da83- 1Ifalse
- 2Kfalse
- 3Ltrue
- 4Wfalse
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उत्तर : 3. "L"
व्याख्या :
Answer: C) L Explanation: 13 x 2 = 26 => Z (opposite side) 12 x 2 = 24 => X (opposite side) 13 x 1 = 13 => M (opposite side) 12 x 1 = 12 => L (opposite side)
प्र: A boat whose speed in still water is 9 kmph, goes 12 km downstream and comes back in 3 hrs. Find the speed of the stream? 1230 05b5cc6bfe4d2b4197774da7e
5b5cc6bfe4d2b4197774da7e- 11 kmphfalse
- 23 kmphtrue
- 35 kmphfalse
- 44 kmphfalse
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उत्तर : 2. "3 kmph"
व्याख्या :
Answer: B) 3 kmph Explanation: Let the speed of the stream = x kmph From the given data, 129+x+129-x=3 hrs 3x2 = 27 => x = 3 kmph Therefore, the speed of the stream = 3 kmph
प्र: 12 students of class IX took part in GK quiz. If the number of boys is 4 more than the number of girls. Find the number of boys and girls took part in the quiz ? 1698 05b5cc6bfe4d2b4197774da79
5b5cc6bfe4d2b4197774da79- 17, 5false
- 29, 3false
- 38, 4true
- 46, 6false
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उत्तर : 3. "8, 4"
व्याख्या :
Answer: C) 8, 4 Explanation: Let the number of girls = x => x + x + 4 = 12 => 2x = 8 => x = 4 => Number of girls = 4 => Number of boys = 4 + 4 = 8
प्र: "Indo - ________" joint army exercise 'Prabal Dostyk 2017' has started in Himachal Pradesh. 1284 05b5cc6bfe4d2b4197774da74
5b5cc6bfe4d2b4197774da74- 1Kazakhstantrue
- 2Japanfalse
- 3Sri Lankafalse
- 4Nepalfalse
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उत्तर : 1. "Kazakhstan"
व्याख्या :
Answer: A) Kazakhstan Explanation: