IIT JEE Practice Question and Answer
8Q: Crack the series missing Number Puzzle ? 2005 05b5cc6c0e4d2b4197774dad0
5b5cc6c0e4d2b4197774dad0- 1330false
- 2253false
- 3221false
- 4363true
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Answer : 4. "363"
Explanation :
Answer: D) 363 Explanation: The given numbers in the series follows a pattern that, 3 (3 x 3) + 3 = 12 (12 x 3) + 3 = 39 (39 x 3) + 3 = 120 (120 x 3) + 3 = 363.
Q: Eric is the son of Tom who is the brother of Jerry who is the daughter of Sin. Doremon is the sister of Popoy who is son of Chain. Ivanka is the daughter of Popoy who is the husband of Jerry. Sin is the male person and Chain is the female person. How is Ivanka related to Eric ? 2005 05b5cc6b9e4d2b4197774d6e9
5b5cc6b9e4d2b4197774d6e9- 1Cousin sistertrue
- 2Nephewfalse
- 3Niecefalse
- 4Daughterfalse
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Answer : 1. "Cousin sister"
Explanation :
Answer: A) Cousin sister Explanation: Since Eric's father and Ivanka's mother are Brother and sister, => Ivanka is Eric's Aunt Daughter => Cousin Sister.
Q: Who is known as the Father of Geometry? 2003 05b5cc6a0e4d2b4197774ca4c
5b5cc6a0e4d2b4197774ca4c- 1Aryabhatafalse
- 2Thales of Miletusfalse
- 3Pythagoras of Samosfalse
- 4Euclidtrue
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Answer : 4. "Euclid"
Explanation :
Answer: D) Euclid Explanation: Euclid of Alexandria was a Greek mathematician, often referred to as the Father of Geometry.
Q: Arun has certain number of books. It is not less than 15 and not more than 30. If he wants to give these books equally to 2 of his friends, then 1 book will remain. If he wants to give these books equally to 3 of his friends, then 2 books will remain. If he wants to give these books equally to 4 of his friends, then 3 books will remain. What is the number of books he had ? 2003 05b5cc718e4d2b4197774f4a4
5b5cc718e4d2b4197774f4a4- 119false
- 223true
- 317false
- 415false
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Answer : 2. "23"
Explanation :
Answer: B) 23 Explanation: If he wants to give these books equally to 2 of his friends, then 1 book will remain, it means possible number of books = 15,17,19,21,23,25,27,29If he wants to give these books equally to 3 of his friends, then 2 books will remain, it means possible number of books = 17,20,23,26,29If he wants to give these books equally to 4 of his friends, then 3 book will remain, it means possible number of books = 15,19,23,27common number is only 23 so it will be answer
Q: Who wanted economic freedom with political freedom? 2002 05b5cc66de4d2b4197774bfe9
5b5cc66de4d2b4197774bfe9- 1Swami Sahajanand Saraswatitrue
- 2Swami Vivekanandfalse
- 3Swami Ramanandfalse
- 4Swami Dayanand saraswatifalse
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Answer : 1. "Swami Sahajanand Saraswati"
Explanation :
Answer: A) Swami Sahajanand Saraswati Explanation:
Q: Mr. X sold two properties P1 and P2 for Rs 1,00,000 each. He sold property P1 for 20% less than what he paid for it. What is the percentage of profit of property P2, so that he is not in gain or loss on the sale of two properties? 2002 05b5cc6aae4d2b4197774cf6f
5b5cc6aae4d2b4197774cf6f- 133.33%true
- 229.97%false
- 325%false
- 422.22%false
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Answer : 1. "33.33%"
Explanation :
Answer: A) 33.33% Explanation: Let 'A' be the cost price of property P1. Then from the given data, the selling price of P1 = Rs. 1,00,000 He got 20% loss on selling P1 ⇒A - 20A100 = 100000⇒A = 1,25,000 Therefore, the amount he lossed on selling P1 = 25,000 As ge he got no loss or gain on sale of P1 and P2, the gain on selling P2 = 25,000 But the selling price of P2 = 1,00,000 => Cost price of P2 = 75,000 Hence, the profit percentage on P2 = GainCPx 100 = 2500075000x100 = 1003= 33.33%
Q: In plants, chloroplasts are necessary for 2002 05b5cc699e4d2b4197774c706
5b5cc699e4d2b4197774c706- 1photosynthesistrue
- 2storagefalse
- 3cell movementfalse
- 4respirationfalse
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Answer : 1. "photosynthesis"
Explanation :
Answer: A) photosynthesis Explanation: Plants are producers, which means they make their own food. Chloroplasts are organelles found in eukaryotic and plant cells that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant. Plants use energy from sunlight to help make their food, but they need chloroplasts to do it. Hence, in plants, chloroplasts are necessary for Photosynthesis.
Q: Which one of the following scripts of ancient India was written from right to left ? 2001 05b5cc6dbe4d2b4197774e946
5b5cc6dbe4d2b4197774e946- 1Brahmifalse
- 2Kharoshtitrue
- 3Nandnagarifalse
- 4Sharadafalse
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Answer : 2. "Kharoshti"
Explanation :
Answer: B) Kharoshti Explanation: The Kharoshi script is an ancient script used by the ancient Gandhara culture of South Asia primarily in modern-day Afghanistan and Pakistan to write the Gandhari language (a dialect of Prakrit) and the Sanskrit language.