प्रश्न और उत्तर का अभ्यास करें
8 प्र: किडनी को रक्त की आपूर्ति करने वाली रक्त वाहिका कौन सी है?
3227 05de50d8f5406ef2a4a569aae
5de50d8f5406ef2a4a569aae- 1गुर्दे की धमनीfalse
- 2यकृत धमनीfalse
- 3फुफ्फुसीय धमनीfalse
- 4मन्या धमनीtrue
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उत्तर : 4. "मन्या धमनी"
प्र: Some mangoes are yellow. Some tixo are mangoes. Conclusions:(i) Some mangoes are green.(ii) Tixo is a yellow. 3225 05b5cc77fe4d2b4197775018d
5b5cc77fe4d2b4197775018d- 1Only conclusion (i) followsfalse
- 2Only conclusion (ii) followsfalse
- 3Either (i) or (ii) followsfalse
- 4Neither (i) nor (ii) followstrue
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उत्तर : 4. "Neither (i) nor (ii) follows"
व्याख्या :
Answer: D) Neither (i) nor (ii) follows Explanation:
प्र: मल्टी प्रोसेसिंग (Multi Processing) होती है ?
3225 05f644773ca371c7283146da9
5f644773ca371c7283146da9- 1एक प्रोसेसर द्वाराfalse
- 2एक से अधिक प्रोसेसर द्वाराtrue
- 3बिना किसी प्रोसेसर केfalse
- 4इनमें से कोई नहींfalse
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उत्तर : 2. "एक से अधिक प्रोसेसर द्वारा"
प्र: निम्नलिखित में से विषम शब्द खोजें:
3224 05d2848f8c878e63dcb625855
5d2848f8c878e63dcb625855- 1सदीfalse
- 2दशांशtrue
- 3सालfalse
- 4महीनाfalse
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उत्तर : 2. "दशांश"
व्याख्या :
दशांश अलग है क्योंकि अन्य सभी समय अवधि की इकाई हैं
प्र: Divide Rs.118000 among three persons A, B and C such that the ratio of the shares of A and B is 3:4 and that of B:C is 5:6 ? 3224 05b5cc6ebe4d2b4197774eeaa
5b5cc6ebe4d2b4197774eeaa- 1A = 48000 B = 40000 C = 30000false
- 2A = 30000 B = 40000 C = 48000true
- 3A = 30000 B = 48000 C = 40000false
- 4A = 40000 B = 48000 C = 30000false
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उत्तर : 2. "A = 30000 B = 40000 C = 48000"
व्याख्या :
Answer: B) A = 30000 B = 40000 C = 48000 Explanation: Compound ratio of A:B:CA:B = 3:4B:C = 5:6----------A:B:C = 15:20:24 We can divide Rs.118000 in this ratio. Share of A = 15/59 x 118000 = 30000 Share of B = 20/59 x 118000 = 40000 Share of C = 24/59 x 118000 = 48000
प्र: A bag contains 8 red and 4 green balls. Find the probability that two balls are red and one ball is green when three balls are drawn at random. 3223 05b5cc7d1e4d2b41977751254
5b5cc7d1e4d2b41977751254- 156/99false
- 2112/495true
- 378/495false
- 4None of thesefalse
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उत्तर : 2. "112/495"
व्याख्या :
Answer: B) 112/495 Explanation: nS= C4 12=495 nE= C28×C14=112 ∴P(E)=112495
प्र: In a cinema hall for the matinee show which started at 2.30 pm and ended at 5.30 pm the vehicle parking lot had only three wheelers (auto rickshaws) and four wheelers. Today the wheels of the vehicles parked was counted and found to be 240. What could be the number of three wheelers parked therein ? 3223 05b5cc71ee4d2b4197774f572
5b5cc71ee4d2b4197774f572- 148true
- 241false
- 345false
- 443false
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उत्तर : 1. "48"
व्याख्या :
Answer: A) 48 Explanation: 3X + 4y = 240by substitute through options 48 is correct
प्र: Pipe K fills a tank in 30 minutes. Pipe L can fill the same tank 5 times as fast as pipe K. If both the pipes were kept open when the tank is empty, how much time will it take for the tank to overflow ? 3223 05b5cc75ee4d2b4197774fcc5
5b5cc75ee4d2b4197774fcc5- 13 minutesfalse
- 22 minutesfalse
- 34 minutesfalse
- 45 minutestrue
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उत्तर : 4. "5 minutes"
व्याख्या :
Answer: D) 5 minutes Explanation: Let the total capacity of tank be 90 liters.Capacity of tank filled in 1 minute by K = 3 liters.Capacity of tank filled in 1 minute by L = 15 liters.Therefore, capacity of the tank filled by both K and L in 1 minute = 18 liters.Hence, time taken by both the pipes to overflow the tank = 90/18 = 5 minutes.