IIT JEE Practice Question and Answer

Q: Compared to land, the open oceans 1551 0

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    are rich in silica and iron
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    are nutrient-poor environments
    Correct
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    contain unlimited nitrogen
    Correct
    Wrong
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    are nutrient-rich environments
    Correct
    Wrong
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Answer : 2. "are nutrient-poor environments"
Explanation :

Answer: B) are nutrient-poor environments Explanation:

Q: A man sell 35 waffers for Rs. 15 each and loses Rs. 40.4. If he sells 35 waffers for Rs. 18, how much does he loss or gain ? 1551 1

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    Rs. 64
    Correct
    Wrong
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    Rs. 52
    Correct
    Wrong
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    Rs. 72
    Correct
    Wrong
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    Rs. 55
    Correct
    Wrong
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Answer : 1. "Rs. 64"
Explanation :

Answer: A) Rs. 64 Explanation: Given Loss = Rs. 40.4We know loss = cost price - selling price 40.4 = CP - 35(15)=> CP = 40.4 + 525=> CP = Rs. 565.4Now the New selling price of waffer is Rs. 18=> SP = 35(18) = 630Now Gain = SP - CP = 630 -565.4 = Rs. 64.6.

Q: Richest Municipal Corporation in India? 1550 0

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    Hyderabad
    Correct
    Wrong
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    Mumbai
    Correct
    Wrong
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    Delhi
    Correct
    Wrong
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    Ludhiana
    Correct
    Wrong
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Answer : 2. "Mumbai"
Explanation :

Answer: B) Mumbai Explanation: Brihanmumbai Municipal Corporation (BMC), is the governing civic body of Mumbai, the Municipal Corporation of Greater Mumbai, Maharashtra is India's richest municipal corporation. The BMC's annual budget exceeds that of some of the smaller states of India.

Q: Jio is a big shot at reducing the cost of Internet access in India. The U.S., despite being the richest country in the world, lags far behind in terms of cost and penetration of Internet access. Cheap access to the Internet is an important step in bridging the access gap – access to good education, good healthcare, etc. But the market reaction to Jio is similar to the U.S. market’s reaction to firms announcing their intention to diversify. ( 1550 0

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    The final group of losers is the current shareholders of RIL. On announcement of Jio, the stock price of RIL fell. (
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    It shows that the market’s short-term reaction is usually proven correct in the long-run. (
    Correct
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    On losing end, the first groups of losers are the shareholders of other telecom companies. (
    Correct
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    The large amount of revenue the Government of India gets from auctioning off the nation’s natural resources is not necessarily a good thing because the Government does not have a stellar track record when it comes to spending the money. A large fraction of Government spending is wasted. (E) The second loser is the Government of India. The big money the Indian Government was raking in selling cellular bandwidth was actually coming from the pockets of the cellular consumers.  (F) The first obvious winners of this scheme are customers. (G) The second winner is Mr. Ambani; he can potentially make a lasting impact as the man who brought Internet to millions of Indians.   Question: Which of the following supports the decision of other companies opposing Reliance JIO Scheme?
    Correct
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Answer : 4. "The large amount of revenue the Government of India gets from auctioning off the nation’s natural resources is not necessarily a good thing because the Government does not have a stellar track record when it comes to spending the money. A large fraction of Government spending is wasted. (E) The second loser is the Government of India. The big money the Indian Government was raking in selling cellular bandwidth was actually coming from the pockets of the cellular consumers.  (F) The first obvious winners of this scheme are customers. (G) The second winner is Mr. Ambani; he can potentially make a lasting impact as the man who brought Internet to millions of Indians.   Question: Which of the following supports the decision of other companies opposing Reliance JIO Scheme?"
Explanation :

Answer: D) Both C & E Explanation: As the arguments C and E states that other companies are on the losing end with this scheme, it is the only appropriate answer to this question.

Q: When is International Day of Families observed  ? 1548 0

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    May 13
    Correct
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    May 15
    Correct
    Wrong
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    May 16
    Correct
    Wrong
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    May 14
    Correct
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Answer : 2. "May 15"
Explanation :

Answer: B) May 15 Explanation: 15 May. Theme of International Day of Family 2017 is “Families, education and well-being”.

Q: How much time will a train of length 200 m moving at a speed of 72 kmph take to cross another train of length 300 m, moving at 36 kmph in the same direction ? 1548 0

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    58 sec
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    62 sec
    Correct
    Wrong
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    60 sec
    Correct
    Wrong
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    50 sec
    Correct
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Answer : 4. "50 sec"
Explanation :

Answer: D) 50 sec Explanation: The distance to be covered = Sum of their lengths = 200 + 300 = 500 m. Relative speed = 72 -36 = 36 kmph = 36 x 5/18 = 10 mps. Time required = d/s = 500/10 = 50 sec.

Q: The payment per hour for a daily-wages employee is increased by 33.33 and the working time is reduced by 33.33%. What is the percentage change in the employee's income ? 1548 0

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    11.11% decrease
    Correct
    Wrong
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    21.11% increase
    Correct
    Wrong
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    11.11% increase
    Correct
    Wrong
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    21.11% decrease
    Correct
    Wrong
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Answer : 1. "11.11% decrease"
Explanation :

Answer: A) 11.11% decrease Explanation: If earlier he is getting Rs. 1  per hr and working for 1 hr, income = Rs. 1Now he is getting Rs 1.3333 per hr and working for 0.66667 hrs Then income for 0.66667 hrs = Rs. 0.8889. If payment per hr is increased by 33.33 %  and working hours dereased by 33.33%, then 11.11 % decrease in income.

Q: The former cricketer/cricketers who was/were inducted into the ICC Cricket Hall of Fame 2018 in Dublin, Ireland 1548 0

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    Claire Taylor
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    Wrong
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    Ricky Ponting
    Correct
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    Rahul Dravid
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    All of the above
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: Former captains Rahul Dravid of India, Ricky Ponting of Australia and retired England Women wicketkeeper-batter Claire Taylor were inducted into the ICC Cricket Hall of Fame 2018 during a glittering ceremony in Dublin, Ireland.   Former Team India captain Rahul Dravid has become the fifth Indian cricketer after Anil Kumble, Sunil Gavaskar, Bishan Singh Bedi and Kapil Dev to be inducted into the ICC Hall of Fame.

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