IIT JEE Practice Question and Answer
8Q: Find the odd man out of the number series? 18, 37, 76, 155, 314, 635 5828 05b5cc6a5e4d2b4197774cce0
5b5cc6a5e4d2b4197774cce0- 137false
- 2155false
- 3314false
- 4635true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "635"
Explanation :
Answer: D) 635 Explanation: Given Number series is 18 37 76 155 314 635 follows a pattern that, 18 18 x 2 +1 = 37 37 x 2 +2 = 76 76 x 2 +3 = 155 155 x 2 +4 = 314 314 x 2 +5 = 633 not 635 Hence, the odd man is 635.
Q: A person takes 20 minutes more to cover a certain distance by decreasing his speed by 20%. What is the time taken to cover the distance at his original speed ? 5817 05b5cc6eee4d2b4197774eebe
5b5cc6eee4d2b4197774eebe- 11hrfalse
- 21 hr 20 mintrue
- 31 hr 10 minfalse
- 450 minfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "1 hr 20 min"
Explanation :
Answer: B) 1 hr 20 min Explanation: Let the distance and original speed be 'd' km and 'k' kmph respectively. d/0.8k - d/k = 20/60 => 5d/4k - d/k = 1/3 => (5d - 4d)/4k = 1/3 => d = 4/3 k Time taken to cover the distance at original speed = d/k = 4/3 hours = 1 hour 20 minutes.
Q: Onion Eating Festival is celebrated in which country ? 5817 05b5cc6bfe4d2b4197774da0f
5b5cc6bfe4d2b4197774da0f- 1Swedenfalse
- 2Thailandfalse
- 3New Delhifalse
- 4Spaintrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Spain"
Explanation :
Answer: D) Spain Explanation: Sweden - Potato Festival Thailand - Vegetarian Festival New Delhi - International Mango Festival Spain - Onion Eating Festival
Q: Statement: The experts group on Technical Education has stressed that Computer Education should be provided to children from primary school itself. It should be implemented in urban and rural school, simultaneously. Courses of action:a) Government should issue instructions to all school for Computer Education.b) At least one teacher of each school should be trained in Computer operations for teaching children. 5786 05b5cc723e4d2b4197774f654
5b5cc723e4d2b4197774f654- 1Both a and b followstrue
- 2Only a followsfalse
- 3Only b followsfalse
- 4Neither a nor b followsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Both a and b follows"
Explanation :
Answer: A) Both a and b follows Explanation: Both are the right courses of action for effective implementation of Computer Education at primary level urban and rural schools.
Q: Grass : Erosion :: Dam : ? 5772 05b5cc6ade4d2b4197774d0df
5b5cc6ade4d2b4197774d0df- 1Watertrue
- 2Freezefalse
- 3Currentfalse
- 4Rainfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Water"
Explanation :
Answer: A) Water Explanation: Here Grass is to Erosion and whereas Dam is to Water. Since Grass prevents Erosion similarly Dam prevents Water flow. Hence, Grass : Erosion :: Dam : Water.
Q: When the European union formed nations began to? 5766 05b5cc678e4d2b4197774c198
5b5cc678e4d2b4197774c198- 1eliminate their home governments.false
- 2abolish many geographic boundaries.false
- 3create one unified education system.false
- 4cooperate on law enforcement.true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "cooperate on law enforcement."
Explanation :
Answer: D) cooperate on law enforcement. Explanation: When the European union formed nations began to cooperate on law enforcement. The European Union is set up with the aim of ending the frequent and bloody wars between neighbours, which culminated in the Second World War. As of 1950, the European Coal and Steel Community begins to unite European countries economically and politically in order to secure lasting peace. The six founding countries are Belgium, France, Germany, Italy, Luxembourg and the Netherlands. The 1950s are dominated by a cold war between east and west. The historical roots of the European Union lie in the Second World War. Europeans are determined to prevent such killing and destruction from ever happening again.
Q: निम्नलिखित में से कौन कंट्रोल यूनिट का कार्य नहीं है? 5765 05b5cc6aae4d2b4197774cf93
5b5cc6aae4d2b4197774cf93- 1निर्देशों की व्याख्या करेंfalse
- 2निर्देश पढ़ेंtrue
- 3निर्देश निष्पादित करेंfalse
- 4प्रत्यक्ष संचालनfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "निर्देश पढ़ें"
Explanation :
Answer: B) निर्देश पढ़ें स्पष्टीकरण: नियंत्रण इकाई कार्य कर सकती है निर्देशों की व्याख्या करें, निर्देश निष्पादित करें और प्रत्यक्ष संचालन करें। लेकिन निर्देश पढ़ना कंट्रोल यूनिट का कार्य नहीं है।
Q: 56% of 225 + 20% of 150 = ? - 109 Find the value of '?' in the above equation 5739 05b5cc6bae4d2b4197774d7f8
5b5cc6bae4d2b4197774d7f8- 1264true
- 2220false
- 3241false
- 4Nonefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "264"
Explanation :
Answer: A) 264 Explanation: Given 56% of 225 + 20% of 150 = ? - 109 we know that a% of b = b% of a Now, 225% of 56 + 20% of 150 = ? - 109 200% of 56 + 25% of 56 + 20% of 150 = ? - 109 112 + 14 + 30 = ? - 109 ? = 112 + 14 + 30 + 109 ? = 264

