IIT JEE Practice Question and Answer

Q: In a class of 180, where girls are twice the number of boys, Rupesh[a boy]  ranked 34th from the top. If there are 18 girls ahead of Rupesh, how many boys are after him in rank? 2592 0

  • 1
    45
    Correct
    Wrong
  • 2
    44
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    can't be determined
    Correct
    Wrong
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Answer : 2. "44"
Explanation :

Answer: B) 44 Explanation: No. of boys up to the 34th rank = 34-18 = 16    Total no of boys = 180x1/2+1 = 60    number of boys after the rank of Rupesh = 60 - 16 = 44

Q: Which of the following is a microeconomic statement? 2591 0

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    The price of personal computers declined last year.
    Correct
    Wrong
  • 2
    Unemployment was 6.8 percent of the labor force last year.
    Correct
    Wrong
  • 3
    The real domestic output increased by 2.5 percent last year.
    Correct
    Wrong
  • 4
    The general price level increased by 4 percent last year.
    Correct
    Wrong
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Answer : 1. "The price of personal computers declined last year."
Explanation :

Answer: A) The price of personal computers declined last year. Explanation:

Q: Reuptake refers to the 2590 0

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    reabsorption of excess neurotransmitter molecules by a sending neuron
    Correct
    Wrong
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    release of hormones into the bloodstream
    Correct
    Wrong
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    movement of neurotransmitter molecules across a synaptic gap
    Correct
    Wrong
  • 4
    inflow of myelin through an axon membrane
    Correct
    Wrong
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Answer : 1. "reabsorption of excess neurotransmitter molecules by a sending neuron"
Explanation :

Answer: A) reabsorption of excess neurotransmitter molecules by a sending neuron Explanation: Reuptake refers to the process in the brain of neurons to retrieve chemicals that were not received by the next neuron. Neurons are cells in the brain that have miniscule spaces between them. They communicate with each other by sending chemicals across the space to the next neuron.

Q: A certain sum of money is invested for one year at a certain rate of simple interest. If the rate of interest is 3% higher, then the invest earned will be 25% more than the interest earned earlier. What is the earlier rate of interest ? 2590 0

  • 1
    4% p.a.
    Correct
    Wrong
  • 2
    6% p.a.
    Correct
    Wrong
  • 3
    8% p.a.
    Correct
    Wrong
  • 4
    12% p.a.
    Correct
    Wrong
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Answer : 4. "12% p.a."
Explanation :

Answer: D) 12% p.a. Explanation: If the interest earned is 25% more than the earlier interest then the rate of interest also should be 25% higher than the earlier rate. Let the earlier rate of interest be x%. Now it will be (x + 3)% % increase = (x + 3) - x/x * 100 = 25=> x = 12%

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Answer : 4. "A, B, P, U, S"
Explanation :

Answer: D) A, B, P, U, S Explanation: From the given information;  Members   Sex    Profession        A         M          Advocate     Q         F           Doctor     B         M          Advocate     R         F           Advocate     C         M          Doctor     S         F           Doctor     D         M          Doctor     T         F           Teacher     E         M          Teacher     U         F           Teacher     P         F           Doctor  Answer (D)  From option (D) A and B are two male advocates, P and S are two female doctors and u is female teacher.

Q: A train sets off at 3 p.m. at the speed of 70 kmph. Another train starts at 4:30 p.m. in the same direction at the rate of 85 kmph. At what time the trains will meet ? 2586 0

  • 1
    10:10 pm
    Correct
    Wrong
  • 2
    9:50 pm
    Correct
    Wrong
  • 3
    11:30 pm
    Correct
    Wrong
  • 4
    10:30 pm
    Correct
    Wrong
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Answer : 3. "11:30 pm"
Explanation :

Answer: C) 11:30 pm Explanation: Distance = 70 x 1 ½ = 105 km Relative Speed = 85 – 70 = 15 Time = 105/15 = 7 hrs 4:30 + 7 hrs = 11.30 p.m.

Q: Effective teamwork and high productivity are good indications of positive 2584 0

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    productivity goals
    Correct
    Wrong
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    reinforcement
    Correct
    Wrong
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    horizontal relationships
    Correct
    Wrong
  • 4
    socializing
    Correct
    Wrong
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Answer : 1. "productivity goals"
Explanation :

Answer: A) productivity goals Explanation: In general, we know that Effective teamwork yields high productivity which is a good indications of positive productivity goals.

Q: क्लिपबोर्ड 2584 1

  • 1
    एक कैश मेमोरी है
    Correct
    Wrong
  • 2
    एक सुविधा है जो उपयोगकर्ता की जानकारी संग्रहीत करती है
    Correct
    Wrong
  • 3
    अस्थायी रूप से स्टोर करने के लिए उपयोग किया जाता है, जो आइटम कट या कॉपी किए गए हैं
    Correct
    Wrong
  • 4
    एक ऐसी सुविधा है जो फ़ाइल को अस्थायी रूप से सहेजती है
    Correct
    Wrong
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Answer : 3. "अस्थायी रूप से स्टोर करने के लिए उपयोग किया जाता है, जो आइटम कट या कॉपी किए गए हैं"
Explanation :

Answer: C) काटे गए या कॉपी किए गए आइटम को अस्थायी रूप से स्टोर करने के लिए उपयोग किया जाता है स्पष्टीकरण: क्लिपबोर्ड उन वस्तुओं के लिए एक अस्थायी भंडारण क्षेत्र है जिसे उपयोगकर्ता एक स्थान से दूसरे स्थान पर काटना या कॉपी करना चाहता है। उदाहरण के लिए, किसी शब्द संसाधक अनुप्रयोग में, उपयोगकर्ता किसी दस्तावेज़ के एक भाग से पाठ को काटना और दस्तावेज़ के दूसरे भाग में चिपकाना चाहता है या कहीं और, यह अस्थायी रूप से क्लिपबोर्ड में संग्रहीत होता है।

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