IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Agha khan cup is associated with 1851 05b5cc69de4d2b4197774c938
5b5cc69de4d2b4197774c938- 1Footballfalse
- 2Tennisfalse
- 3Cricketfalse
- 4Hockeytrue
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उत्तर : 4. "Hockey"
व्याख्या :
Answer: D) Hockey Explanation:
प्र: Which of the following is not correct concerning nerves? 1851 05b5cc683e4d2b4197774c2ac
5b5cc683e4d2b4197774c2ac- 1Axons make up a majority of the matter in a nerve.true
- 2Nerves are collection of axons of either sensory or motor neurons but not both.false
- 3Nerves are covered by an outer sheath called the epineuriumfalse
- 4Nerves consist of parallel bundles of myelinated and nonmyelinated axons.false
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उत्तर : 1. "Axons make up a majority of the matter in a nerve."
व्याख्या :
Answer: A) Axons make up a majority of the matter in a nerve. Explanation: Axons make up a majority of the matter in a nerve is the one statement regarding nerves is incorrect.
प्र: What is the primary form of fat in the diet? 1851 05b5cc615e4d2b4197774b6e2
5b5cc615e4d2b4197774b6e2- 1Lipidsfalse
- 2Fattyacidsfalse
- 3Triglyceridestrue
- 4All of the abovefalse
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उत्तर : 3. "Triglycerides"
व्याख्या :
Answer: C) Triglycerides Explanation: Triglycerides are the primary form of dietary fat found in the body, and may contain a combination of three fatty acids: saturated fatty acids (SFAs), polyunsaturated fatty acids (PUFAs), or monounsaturated fatty acids (MUFAs).
प्र: Logic Challenge 1851 05b5cc6d5e4d2b4197774e62e
5b5cc6d5e4d2b4197774e62e- 140false
- 220false
- 32true
- 436false
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उत्तर : 3. "2"
व्याख्या :
Answer: C) 2 Explanation: In the starting it is given that Couple went to the movie and No other went with them. So total members went to movie is only 2.
प्र: If A1, A2, A3, A4, ..... A10 are speakers for a meeting and A1 always speaks after, A2 then the number of ways they can speak in the meeting is 1850 05b5cc7b4e4d2b419777508a6
5b5cc7b4e4d2b419777508a6- 19!false
- 29!/2false
- 310!false
- 410!/2true
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उत्तर : 4. "10!/2"
व्याख्या :
Answer: D) 10!/2 Explanation: As A1 speaks always after A2, they can speak only in 1st to 9th places and A2 can speak in 2nd to 10 the places only when A1 speaks in 1st place A2 can speak in 9 places the remaining A3, A4, A5,...A10 has no restriction. So, they can speak in 9.8! ways. i.e when A2 speaks in the first place, the number of ways they can speak is 9.8!. When A2 speaks in second place, the number of ways they can speak is 8.8!. When A2 speaks in third place, the number of ways they can speak is 7.8!. When A2 speaks in the ninth place, the number of ways they can speak is 1.8! Therefore,Total Number of ways they can speak = (9+8+7+6+5+4+3+2+1) 8! = 92(9+1)8! = 10!/2
प्र: Animal migration on savannas is often governed by 1850 05b5cc64de4d2b4197774bc61
5b5cc64de4d2b4197774bc61- 1Rainfalltrue
- 2Distancefalse
- 3Reproductionfalse
- 4Firefalse
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उत्तर : 1. "Rainfall"
व्याख्या :
Answer: A) Rainfall Explanation: Savannas are home to a wide diversity of animals. Many animals of the savanna migrate throughout the year, searching for food and water. Many of the droughts are seasonal and hit one area before another, so animals are constantly following the rains. Hence, Rain fall is what often governs animal migration on savannas.
प्र: If L exceeds K by 30%, then K is less than L by ? 1850 05b5cc6f8e4d2b4197774f05e
5b5cc6f8e4d2b4197774f05e- 114 2/5 %false
- 223 1/3 %true
- 320 %false
- 416 %false
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उत्तर : 2. "23 1/3 %"
व्याख्या :
Answer: B) 23 1/3 % Explanation: K = 100 L = 130130------ 30100------- ? => 23 1/13 %
प्र: In a daily morning walk three persons step off together. their steps measure 75 cm, 80 cm and 85 cm respectively. What is the minimum distance each should walk so that thay can cover the distance in complete steps ? 1850 05b5cc6c0e4d2b4197774dabc
5b5cc6c0e4d2b4197774dabc- 1222 m 44 cmfalse
- 2204 mtrue
- 3201 m 21 cmfalse
- 4208 mfalse
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उत्तर : 2. "204 m"
व्याख्या :
Answer: B) 204 m Explanation: To find the minimum distance, we have to get the LCM of 75, 80, 85 Now, LCM of 75, 80, 85 = 5 x 15 x 16 x 17 = 20400 Hence, the minimum distance each should walk so that thay can cover the distance in complete steps = 20400 cms = 20400/100 = 204 mts.