IIT JEE Practice Question and Answer

Q: Fill in the blanks with the appropriate words. Countries which _________ still undergoing the economic processes_________ known as developing countries. 1677 0

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    are, are
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    are, is
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    Wrong
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    is, are
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    Wrong
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    were, are
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Answer : 1. "are, are"
Explanation :

Answer: A) are, are Explanation:

Q: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in  ? 1677 0

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    8 hrs
    Correct
    Wrong
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    12 hrs
    Correct
    Wrong
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    6 hrs
    Correct
    Wrong
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    4 hrs
    Correct
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Answer : 3. "6 hrs"
Explanation :

Answer: C) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work.  Then, (1/x + 2/x + 3/x) = 1/2  => 6/x = 1/2      => x = 12  So, B takes 6 hours to finish the work.

Q: Accounts Receivable financing is based on 1677 0

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Answer :
Explanation :

Accounts-receivable financing is a type of asset-financing arrangement in which a company uses its receivables — outstanding invoices or money owed by customers — to receive financing. when a business sells its AR (accounts receivable) to a factoring company and receives short-term business funding in return, this is what called as Accounts Receivable Financing.   How it works :: Business-to-business sales are often offered with payment terms of 30, 60 or 90 days. The buyer receives the product, but doesn't submit payment until the mutually agreed-upon date. The seller records the sale as revenues and increases the accounts receivable by the amount of the sale. When the payment arrives, the seller decreases the accounts receivable and increases cash. Accounts receivable financing allows the seller to get the cash immediately by selling the receivable to a third party. This is called factoring.

Q: Which country's Parliament became first in the world to run fully on solar energy  ? 1676 0

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    Japan
    Correct
    Wrong
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    Pakistan
    Correct
    Wrong
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    China
    Correct
    Wrong
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    Myanmar
    Correct
    Wrong
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Answer : 2. "Pakistan"
Explanation :

Answer: B) Pakistan Explanation:

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. ( 1676 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. (
    Correct
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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?
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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: 5% of 40,000 is 1676 0

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    20000
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    2000
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    200
    Correct
    Wrong
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    20
    Correct
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Answer : 2. "2000"
Explanation :

Answer: B) 2000 Explanation: 5% of 40,000  = 5100 × 40,000 = 5 × 400 = 2,000     Hence, 5% of 40,000 = 2,000.

Q: In which layer is the pressure the highest? 1675 0

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    Ionosphere
    Correct
    Wrong
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    Stratosphere
    Correct
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    Troposphere
    Correct
    Wrong
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    Inner core
    Correct
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Answer : 4. "Inner core"
Explanation :

Answer: D) Inner core Explanation: "Pressure" is the ratio of mass to area. So, for any given area, the one with more mass pressing on it will experience a higher pressure.   As you go more deeply into the atmosphere OR earth itself, you are putting more and more mass over you. For the same unit area therefore, the pressure, (mass/area) increases.   Hence, the lowest layer will always have the highest pressure i.e, inner core.

Q: In a box, there are 9 blue, 6 white and some black stones. A stone is randomly selected and the probability that the stone is black is ¼. Find the total number of stones in the box? 1675 0

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    15
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    Wrong
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    18
    Correct
    Wrong
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    20
    Correct
    Wrong
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    24
    Correct
    Wrong
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Answer : 3. "20"
Explanation :

Answer: C) 20 Explanation: We know that, Total probability = 1 Given probability of black stones = 1/4 => Probability of blue and white stones = 1 - 1/4 = 3/4 But, given blue + white stones =  9 + 6 = 15 Hence, 3/4 ----- 15  1   -----  ? => 15 x 4/3 = 20.   Hence, total number of stones in the box = 20.

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