IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: What was the day on 2nd Jan 1901 ? 4376 0

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    Tuesday
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    Wednesday
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    Monday
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  • 4
    Thursday
    सही
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उत्तर : 2. "Wednesday"
व्याख्या :

Answer: B) Wednesday Explanation: 2nd Jan 1901 means(1900 years and 2 day)Now, 1600 years have 0 odd day300 years have 1 odd day2 days has 2 odd dayTotal no. of odd days = 0 + 1 + 2 = 3 daysHence, the day on 2nd Jan 1901 was Wednesday.

प्र: Which supercomputer is developed by the Indian Scientists? 4362 0

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    Super 3
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    Param 808
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    Super 149
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    Param 8000
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उत्तर : 4. "Param 8000"
व्याख्या :

Answer: D) Param 8000 Explanation: PARAM 8000 was was the first supercomputer developed by Indian scientists launched on July 01, 1991 is considered India's first supercomputer.   It was indigenously built in 1991 by Centre for Development of Advanced Computing and was replicated and installed at ICAD Moscow in 1991 under Russian collaboration.

प्र: Which best describes how air moves during convection? 4361 0

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    cool air falls down
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    warm air falls down
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    cool air is replaced by warm air
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  • 4
    air always falls down
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उत्तर : 1. "cool air falls down"
व्याख्या :

Answer: A) cool air falls down Explanation: During convection, cool and dense air falls through the warmer and less dense air. The warm air having less mass is being displaced by the cooler which is much heavy. Convection always involves the air rising through the atmosphere.

प्र: Which of the Phrases(1), (2), (3) and (4) given below each sentence should replace the phrases printed in bold in the sentence to make it grammatically correct. The ban is applied by the district’s commercial taxes department after protests by a community, which had threat to burn theatres screening the controversial movie. 4354 0

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    had threated to burn
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    had threatened to burn
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  • 3
    had threatened to burning
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  • 4
    had threats of burning
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उत्तर : 2. "had threatened to burn"
व्याख्या :

Answer: B) had threatened to burn Explanation:

प्र: Two trains of equal length, running with the speeds of 60 and 40 kmph, take 50 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions  ? 4350 0

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    10 sec
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  • 2
    11 sec
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    12 sec
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  • 4
    8 sec
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उत्तर : 1. "10 sec"
व्याख्या :

Answer: A) 10 sec Explanation: Relative Speed = 60 -40 = 20 x 5/18 = 100/18 Time = 50 Distance = 50 x 100/18 = 2500/9 Relative Speed = 60 + 40 = 100 x 5/18 Time = 2500/9 x 18/500 = 10 sec.

प्र: The first Law Officer of the Government of India is the 4346 0

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    Union Law Minister
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    Secreatary, Ministry of Law
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    Attorney-General for India
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  • 4
    Chief Justice of the Supreme Court
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उत्तर : 3. "Attorney-General for India"
व्याख्या :

Answer: C) Attorney-General for India Explanation: Attorney-General for India is the  first Law Officer of the Government of India. He is is the Indian government's chief legal advisor, and its primary lawyer in the Supreme Court of India. The Solicitor General of India is below the Attorney General for India, who is the secondary law officer of the country, assists the Attorney General, and is himself assisted by several Additional Solicitors General of India.

प्र: Bill : Law :: ? : Insect 4343 0

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    Pupa
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  • 2
    Stage
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  • 3
    Larva
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  • 4
    Bird
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उत्तर : 3. "Larva"
व्याख्या :

Answer: C) Larva Explanation: A Bill becomes a Law; a Larva becomes an insect. (Or) A Bill turns into a law; a Larva turns into an Insect.

प्र: Find the missing number in the given series ? 15, 51, 216, 1100, ?, 46452 4335 0

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    5660
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    6560
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    6750
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    6630
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उत्तर : 4. "6630"
व्याख्या :

Answer: D) 6630 Explanation: Let first no. be "k" and multiple be "l"...start value of y with 3then,[(k x y) + {l x (l-1)}]Thus, we get 15 x 3 + 3 x 2 = 5151 x 4 + 4 x 3 = 216216 x 5 + 5 x 4 = 11001100 x 6 + 6 x 5 = 66306630 x 7 + 7 x 6 = 46452 Therefore, the missing number is 6630.

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