IIT JEE Practice Question and Answer
8Q: "Senses are the gateways of knowledge" was emphasised by 8078 05b5cc670e4d2b4197774c043
5b5cc670e4d2b4197774c043- 1Gurunanakfalse
- 2Rousseautrue
- 3Confuciusfalse
- 4Mahaveerafalse
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Answer : 2. "Rousseau"
Explanation :
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".
Q: The difference between a virus and a self-replicating program which is like a virus is that rather than creating copies of itself on only one system it propagate through computer network. What is that called as _____ 8046 25b5cc6d4e4d2b4197774e582
5b5cc6d4e4d2b4197774e582- 1Keyloggerfalse
- 2Wormtrue
- 3Time Bombfalse
- 4Crackerfalse
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Answer : 2. "Worm"
Explanation :
Answer: B) Worm Explanation:
Q: How many days are there in k weeks k days ? 7876 05b5cc75ce4d2b4197774fc2a
5b5cc75ce4d2b4197774fc2a- 18+k daysfalse
- 27+1k daysfalse
- 38k daystrue
- 47/k daysfalse
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Answer : 3. "8k days"
Explanation :
Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.
Q: Find the odd number in the following number series? 24, 4, 13, 41, 151, 640 7863 05b5cc6c1e4d2b4197774db73
5b5cc6c1e4d2b4197774db73- 14false
- 2640false
- 341true
- 413false
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Answer : 3. "41"
Explanation :
Answer: C) 41 Explanation: The given number series follows the pattern that, 24×0 + 4 = 4 4×1 + 9 = 13 13×2 + 16 = 42 42×3 + 25 = 151 151×4 + 36 = 640 Therefore, the odd number in the given series is 41
Q: Which city is known as 'Gold capital of the world' ? 7837 15b5cc6cfe4d2b4197774e2e9
5b5cc6cfe4d2b4197774e2e9- 1Johannesburgtrue
- 2Parisfalse
- 3Dubaifalse
- 4Saudifalse
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Answer : 1. "Johannesburg"
Explanation :
Answer: A) Johannesburg Explanation:
Q: What do you understand by - 'If K is there L has to be there' 7770 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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Answer : 3. "k is there, then L will also be there"
Explanation :
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.
Q: In a competitive exam, the number of passed students was four times the number of failed students. If there had been 35 fewer appeared students and 9 more had failed, the ratio of passed and failed students would have been 2 : 1, then the total number of students appered for the exam ? 7769 05b5cc6c2e4d2b4197774dbbe
5b5cc6c2e4d2b4197774dbbe- 1175false
- 2165false
- 3155true
- 4145false
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Answer : 3. "155"
Explanation :
Answer: C) 155 Explanation: Let the number of failed students be x => Number of passed students = 4x So total number of students was 5x From the given data, If total number of students be 5x – 35 => 4x-35-9/x+9 = 2/1 => 4x – 44 = 2(x + 9) => 4x – 2x = 18 + 44 => x = 31 Total number = 31×5 = 155
Q: Which of the following birds is the state bird of three Indian states ? 7742 05b5cc718e4d2b4197774f4e5
5b5cc718e4d2b4197774f4e5- 1Great Hornbillfalse
- 2Greater Flamingofalse
- 3Hill Mynahfalse
- 4Blue Jay (Indian Roller)true
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Answer : 4. "Blue Jay (Indian Roller)"
Explanation :
Answer: D) Blue Jay (Indian Roller) Explanation: The 3 states are Andhra Pradesh, Karnataka and Odisha.