IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: The United Nations Public Service Day is observed on 1259 0

  • 1
    June 24
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  • 2
    June 23
    सही
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  • 3
    June 26
    सही
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  • 4
    June 25
    सही
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उत्तर : 2. "June 23"
व्याख्या :

Answer: B) June 23 Explanation: The United Nations Public Service Day is observed every year on June 23 to recognize the work of public servants and to encourage young people to pursue careers in the public sector. The day is also observed to celebrate value and virtue of public service to the community and to raise awareness regarding the contribution of public service in the development of society and honouring the work of public servants.

प्र: Two dice are rolled simultaneously. Find the probability of getting the sum of numbers on the on the two faces divisible by 3 or 4? 1259 0

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    3/7
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  • 2
    7/11
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  • 3
    5/9
    सही
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  • 4
    6/13
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उत्तर : 3. "5/9"
व्याख्या :

Answer: C) 5/9 Explanation: Here n(S) = 6 x 6 = 36 E={(1,2),(1,5),(2,1),(2,4),(3,3),(3,6),(4,2),(4,5),(5,1),(5,4),(6,3) ,(6,6),(1,3),(2,2),(2,6),(3,1),(3,5), (4,4),(5,3),(6,2)} => n(E)=20 Required Probability n(P) = n(E)/n(S) = 20/36 = 5/9.

प्र: Which international Airport Ltd has bagged the National Award for 'Excellence' in Energy Management ? 1257 0

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    New Delhi
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  • 2
    Lucknow
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  • 3
    Hyderabad
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  • 4
    Mumbai
    सही
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उत्तर : 3. "Hyderabad"
व्याख्या :

Answer: C) Hyderabad Explanation:

प्र: A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum  ? 1256 0

  • 1
    Rs. 5858
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  • 2
    Rs. 8800
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  • 3
    Rs. 7000
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  • 4
    Rs. 6350
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उत्तर : 3. "Rs. 7000"
व्याख्या :

Answer: C) Rs. 7000 Explanation: Let the sum be Rs. S.(S x 18 x 2)/100 - (S x 12 x 2)/100 = 840 => 36S/100 - 24S/100 = 840 => 12S/100 = 840 => S = 7000.

प्र: Oxidation Number of 'S' in H2SO4? 1256 0

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    +6
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  • 2
    +2
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  • 3
    -6
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  • 4
    -2
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उत्तर : 1. "+6"
व्याख्या :

Answer: A) +6 Explanation: In H2SO4, Hydrogen has a charge of +2, with each hydrogen has +1. Oxygen has  a charge of -8, with each oxugen has -2. Total charge = (2 - 8) = -6 Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.

प्र: A cowboy arrives in town on Friday. He stays for 3 days and then leaves on Friday. How is that possible? 1256 0

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उत्तर :
व्याख्या :

You will get the answer in the riddle itself, if you read the riddle carefully. The riddle says "A cowboy arrives in town on Friday." So Friday is the name of the horse on which he comes. Hence, the only possibility is he arrives on the horse friday on Tuesday, stays for 3 days and leaves on the same horse on Friday.

प्र: What do you do to improve your knowledge? 1255 0

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उत्तर :
व्याख्या :

When an interviewer asks "What do you do to improve your knowledge", because it reflects the major thought process of a person and the way a person gains knowledge and the level to which one is accustomed to the current happenings in the world. In my sense knowledge is not very much obtained through books or any websites. We can give some exercise to the brain so that we can gain knowledge. It is essential to update oneself in order to cope up with this competitive world. First of all you should keep yourself updated with the new technological developments so that if the interviewer asks something concerning the current affairs, you can answer them.You can say that you visit various forums, blogs to keep yourself updated and improve your knowledge. It will be helpful if you have experience of such forums or blogs from before so that you can create a better impression in the minds of the interviewers. It is said that interacting with people of different ages, different communities and different education levels a person can fetch huge knowledge.

प्र: Who has become First Hindu to be a Pakistan Cabinet Minister in 20 years ? 1254 0

  • 1
    Parash Kumar
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  • 2
    Raghav Verma
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  • 3
    Darshan Lal
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  • 4
    Manik Patel
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उत्तर : 3. "Darshan Lal"
व्याख्या :

Answer: C) Darshan Lal Explanation: After a span of 20 years, a Hindu politician, Darshan Lal, is set to take the role of a cabinet minister in Pakistan.  The new Prime Minister Shahaid Khaqan Abbasi formulated his cabinet and has appointed 65-year old Lal to lead coordination between four Pakistan provinces. Lal reportedly used to practice as a doctor in Mirpur Mathelo town in Ghotki district of Sindh province.

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