IIT JEE Practice Question and Answer

Q: Name the body that has recently announced a plan to promote micro-enterprises in 115 aspirational districts across the country after tying up with Common Service Centre (CSC). 1292 0

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    SEBI
    Correct
    Wrong
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    C). A) SEBI B)
    Correct
    Wrong
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    . A) SEBI B) RBI C) SIDBI
    Correct
    Wrong
  • 4
    IRDAI
    Correct
    Wrong
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Answer : 3. ". A) SEBI B) RBI C) SIDBI"
Explanation :

Answer: C) SIDBI Explanation: Small Industries and Development Bank of India (SIDBI) announced a plan to promote micro-enterprises in 115 aspirational districts across the country. It has tied up with Common Service Centre (CSC).

Q: National Statistics day observed every year on 1291 0

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    20 October
    Correct
    Wrong
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    20 July
    Correct
    Wrong
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    29 June
    Correct
    Wrong
  • 4
    21 September
    Correct
    Wrong
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Answer : 3. "29 June"
Explanation :

Answer: C) 29 June Explanation: National Statistics day is celebrated annually 29th June, on the occasion of Birth anniversary of India’s eminent statistician Late Prof Prasanta Chandra Mahalanobis. It also commemorates the contributions made by PC Mahalanobis in the fields of statistics and economic planning.

Q: In a mixture, the ratio of juice and water is 4 : 3. By adding 6 litre water the ratio of juice and water will be 8 : 7. What is the amount of juice in the original mixture ? 1291 0

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    38 lit
    Correct
    Wrong
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    96 lit
    Correct
    Wrong
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    48 lit
    Correct
    Wrong
  • 4
    52 lit
    Correct
    Wrong
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Answer : 3. "48 lit"
Explanation :

Answer: C) 48 lit Explanation: Let the amount of juice and water in original mixture '4x' litre and '3x' litre respectively. According to given data, 4x/3x+6 =8/7 28x=24x+48 28x–24x=48 4x = 48 x = 12 Amount of juice = 4x = 4×12 = 48 litre.

Q: Multiplicative inverse of 7? 1291 0

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    1
    Correct
    Wrong
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    -1/7
    Correct
    Wrong
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    0
    Correct
    Wrong
  • 4
    1/7
    Correct
    Wrong
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Answer : 4. "1/7"
Explanation :

Answer: D) 1/7 Explanation: Multiplicative inverse is nothing but a reciprocal of a number.  It is defined as one of a pair of numbers that when multiplied with another number equals the number 1. Multiplicative inverse or reciprocal of 7 is  7 x n = 1 => n = 1/7.   Hence, Multiplicative inverse or reciprocal of 7 is  1/7.

Q: Which part of the respiratory system does emphysema damage? 1290 0

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    Nose
    Correct
    Wrong
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    Lungs
    Correct
    Wrong
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    Trachea
    Correct
    Wrong
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    Mouth
    Correct
    Wrong
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Answer : 2. "Lungs"
Explanation :

Answer: B) Lungs Explanation: Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung i.e, primarily causes shortness of breath due to over-inflation of the alveoli.   First, emphysema causes holes to gradually form inside the lungs' air sacs, thereby weakening their internal structure and inhibiting the exchange of oxygen and carbon dioxide.

Q: India has successfully test-fired the BrahMos supersonic cruise missile from Indian Air Force ___________ fighter aircraft for the first time. 1289 0

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    Sukhoi-29 MKI
    Correct
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    Sukhoi-32 MKI
    Correct
    Wrong
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    Sukhoi-31 MKI
    Correct
    Wrong
  • 4
    Sukhoi-30 MKI
    Correct
    Wrong
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Answer : 4. "Sukhoi-30 MKI"
Explanation :

Answer: D) Sukhoi-30 MKI Explanation: Brahmos, the world’s fastest supersonic cruise missile created history on today after it was successfully flight- tested for the first time from the IAF’s frontline fighter aircraft Sukhoi-30MKI against a sea-based target in the Bay of Bengal. The armed forces are now capable of launching the Brahmos, which has a strike range of around 290 km and is described as the world’s fastest supersonic cruise missile, from land, sea and air, completing the tactical cruise missile triad for the country.

Q: Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train? 1289 0

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    27 7/9 mts
    Correct
    Wrong
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    25 8/7 mts
    Correct
    Wrong
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    21 1/4 mts
    Correct
    Wrong
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    22 mts
    Correct
    Wrong
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Answer : 1. "27 7/9 mts"
Explanation :

Answer: A) 27 7/9 mts Explanation: Relative speed = (40 - 20) km/hr = 20 x 5 m/sec = 50 m/sec. 18 9  Length of faster train = 50 x 5 m = 250 m = 27 7 m. 9 9 9

Q: Which day is declared as " International Day of Sport for Development and Peace (IDSDP) " by the UN General Assembly ? 1287 0

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    5th April
    Correct
    Wrong
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    6th April
    Correct
    Wrong
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    7th April
    Correct
    Wrong
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    8th April
    Correct
    Wrong
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Answer : 2. "6th April"
Explanation :

Answer: B) 6th April Explanation: 6 April was declared as the International Day of Sport for Development and Peace (IDSDP) by the UN General Assembly. On the occasion of the 2017 International Day of Sport for Development and Peace (IDSDP), the United Nations Office on Sport for Development and Peace (UNOSDP) launches the digital campaign #WePlayTogether to encourage organizations and individuals.

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