IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A thief goes away with a MARUTHI car at a speed of 40 kmph. The theft has been discovered after half an hour and the owner sets off in a bike at 50 kmph when will the owner over take the thief from the start ? 8310 05b5cc6e7e4d2b4197774ed97
5b5cc6e7e4d2b4197774ed97- 12 hrs 10 minfalse
- 22 hrstrue
- 32 hrs 5 minfalse
- 42 hrs 30 minfalse
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उत्तर : 2. "2 hrs"
व्याख्या :
Answer: B) 2 hrs Explanation: |-----------20--------------------|50 40 Difference = 20kms Relative Speed = 50 – 40 = 10 kmph Time = 20/10 = 2 hours.
प्र: In a parking lot there are two types of vehicles, two wheelers and four wheelers. The total number of the vehicles in the parking lot is 200. When the number of the wheels of all the vehicles is counted it is counted to be 580. Find the total number of the four wheeler vehicles in the parking lot ? 8300 05b5cc6cee4d2b4197774e1fe
5b5cc6cee4d2b4197774e1fe- 1110false
- 290true
- 3100false
- 4180false
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उत्तर : 2. "90"
व्याख्या :
Answer: B) 90 Explanation: Let number of 2 wheelers be 'x'and 4 wheelers be 'y' Given total number of vehicles = 200i.e, x + y = 200 ....(1) Given total number of wheels = 580i.e, 2x + 4y = 580 ...(2) By solving (1)&(2), we get y = 90=> x = 110 Therefore, number of two wheelers = 110number of four wheelers = 90
प्र: "Senses are the gateways of knowledge" was emphasised by 8187 05b5cc670e4d2b4197774c043
5b5cc670e4d2b4197774c043- 1Gurunanakfalse
- 2Rousseautrue
- 3Confuciusfalse
- 4Mahaveerafalse
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उत्तर : 2. "Rousseau"
व्याख्या :
Answer: B) Rousseau Explanation: The Five senses that we have are: Sight, smell, hear, touch and taste. Rousseau emphasised that "Senses are the gateways of knowledge".
प्र: Which of the following birds is the state bird of three Indian states ? 8152 05b5cc718e4d2b4197774f4e5
5b5cc718e4d2b4197774f4e5- 1Great Hornbillfalse
- 2Greater Flamingofalse
- 3Hill Mynahfalse
- 4Blue Jay (Indian Roller)true
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उत्तर : 4. "Blue Jay (Indian Roller)"
व्याख्या :
Answer: D) Blue Jay (Indian Roller) Explanation: The 3 states are Andhra Pradesh, Karnataka and Odisha.
प्र: How many days are there in k weeks k days ? 8046 05b5cc75ce4d2b4197774fc2a
5b5cc75ce4d2b4197774fc2a- 18+k daysfalse
- 27+1k daysfalse
- 38k daystrue
- 47/k daysfalse
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उत्तर : 3. "8k days"
व्याख्या :
Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.
प्र: What do you understand by - 'If K is there L has to be there' 8025 05b5cc6b1e4d2b4197774d32d
5b5cc6b1e4d2b4197774d32d- 1K & L will always be togetherfalse
- 2K is not there, then L will not be therefalse
- 3k is there, then L will also be theretrue
- 4K & L will always be not togetherfalse
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उत्तर : 3. "k is there, then L will also be there"
व्याख्या :
Answer: C) k is there, then L will also be there Explanation: This would not mean that K and L will always be together. It just implies that, if K is there, then L will also be there. At the same time, it can happen that L is there but K isn't. Remember, the condition is on K, not on L.
प्र: In latest generation computers, the instructions are executed 8013 05b5cc645e4d2b4197774bbdb
5b5cc645e4d2b4197774bbdb- 1Sequentially onlyfalse
- 2Both sequentially and parallellytrue
- 3Parallelly onlyfalse
- 4None of the abovefalse
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उत्तर : 2. "Both sequentially and parallelly"
व्याख्या :
Answer: B) Both sequentially and parallelly Explanation:
प्र: Which city is known as 'Gold capital of the world' ? 8010 15b5cc6cfe4d2b4197774e2e9
5b5cc6cfe4d2b4197774e2e9- 1Johannesburgtrue
- 2Parisfalse
- 3Dubaifalse
- 4Saudifalse
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उत्तर : 1. "Johannesburg"
व्याख्या :
Answer: A) Johannesburg Explanation: