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नवीनतमलोकप्रियमूल्यांकनपेज देखें 83 of 103कुल सवाल 824 जॉइन Examsbook

प्र: Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ? 1544 0

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    2/3
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    1/2
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  • 3
    7/8
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  • 4
    4/5
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उत्तर : 2. "1/2"
व्याख्या :

Answer: B) 1/2 Explanation: Multiples of 3 below 20 are 3, 6, 9, 12, 15, 18 Multiples of 5 below 20 are 5, 10, 15, 20 Required number of possibilities = 10Total number of possibilities = 20Required probability = 10/20 = 1/2.

प्र: 5x - 6 = 3x - 8 Solve the above equation. 1540 0

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    2
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    -1
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    -2
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    1
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उत्तर : 2. "-1"
व्याख्या :

Answer: B) -1 Explanation: Given 5x - 6 = 3x - 8 5x - 3x = -8 + 6 2x = -2 => x = -1.

प्र: Calculate the angle between the two hands of clock when the clock shows 4 : 20 p.m. ? 1539 0

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    5 degrees
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    10 degrees
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    15 degrees
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    25 degrees
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उत्तर : 2. "10 degrees"
व्याख्या :

Answer: B) 10 degrees Explanation: Since at 4 : 20 the minute hand will be at 4 and the angle between them will be same as the distance covered in degree by the hour hand in 20 minutes.   Required angle = distance of hour hand = speed × time = 12× 20 =10 degrees.

प्र: 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 ? 1536 1

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    Rs. 64
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    Rs. 52
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    Rs. 72
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    Rs. 55
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उत्तर : 1. "Rs. 64"
व्याख्या :

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.

प्र: 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 ? 1536 0

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    58 sec
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    62 sec
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    60 sec
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    50 sec
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उत्तर : 4. "50 sec"
व्याख्या :

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.

प्र: 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. ( 1535 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. (
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    On losing end, the first groups of losers are the shareholders of other telecom companies. (
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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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उत्तर : 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?"
व्याख्या :

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.

प्र: The area of a square is 1024 sq.cm. What is the ratio of the length to the breadth of a rectangle whose length is twice the side of the square and breadth is 12 cm less than the side of this square ? 1532 0

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    14:9
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    13:12
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    16:5
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    17:13
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उत्तर : 3. "16:5"
व्याख्या :

Answer: C) 16:5 Explanation: Area of a square SxS = 1024 => S = 32 cmLength of the rectangle = 32x2 cm = 64 cmBreadth of the rectangle = 32 - 12 = 20 cmRequired ratio = 64 : 20 = 16 : 5

प्र: 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 ? 1527 0

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    11.11% decrease
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    21.11% increase
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    11.11% increase
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    21.11% decrease
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उत्तर : 1. "11.11% decrease"
व्याख्या :

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.

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