IIT JEE Practice Question and Answer

Q: If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ? 2397 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "3"
Explanation :

Answer: D) 3 Explanation: Here 5, 7 & 9 are repeating after modulation.

Q: Which of the following is a microeconomic statement? 2394 0

  • 1
    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
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "The price of personal computers declined last year."
Explanation :

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

Q: कौन सी इकाई अस्थायी रूप से डेटा रखती है? 2394 0

  • 1
    सैकेंडरी स्टोरेज यूनिट
    Correct
    Wrong
  • 2
    आउटपुट यूनिट
    Correct
    Wrong
  • 3
    प्राइमरी मेमोरी यूनिट
    Correct
    Wrong
  • 4
    इनपुट यूनिट
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "प्राइमरी मेमोरी यूनिट"
Explanation :

Answer: C) प्राथमिक मेमोरी यूनिट स्पष्टीकरण: मेमोरी कंप्यूटर का वह भाग है जो ALU द्वारा संसाधित किए जाने से पहले और बाद में अस्थायी रूप से डेटा और निर्देश रखता है। मेमोरी को प्राइमरी स्टोरेज, प्राइमरी मेमोरी, मेन स्टोरेज, इंटरनल स्टोरेज और मेन मेमोरी के रूप में भी जाना जाता है। निर्माता अक्सर RAM शब्द का उपयोग करते हैं, जिसका अर्थ है रैंडम-एक्सेस मेमोरी।

Q: A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ? 2394 0

  • 1
    10%
    Correct
    Wrong
  • 2
    15%
    Correct
    Wrong
  • 3
    20%
    Correct
    Wrong
  • 4
    25%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "25%"
Explanation :

Answer: D) 25% Explanation: Let the list price be Rs.100.    Therefore, the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15.   Therefore, his percentage is = 1560x100 = 25%

  • Show AnswerHide Answer
  • Workspace

Answer : 1. "11 days"
Explanation :

Answer: A) 11 days Explanation: Let 'n' number of days it take to complete.   we know that sum of n number= n/2[2a+(n-1)d]where a=20,d=1;n/2[2x20+(n-1)1]=275n[n+39]=550n2 + 39n - 550 = 0 n2+ 50n - 11n - 550 = 0(n-11) (n-50) = 0n-11 = 0;n = 11(Days).

Q: How many meaningful English words can be formed with the letters A, L, W using each letter only once in each word  ? 2392 0

  • 1
    1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "1"
Explanation :

Answer: A) 1 Explanation: Using the letters A, L, W only one meaningful English word can be formed i.e, LAW No other words can be formed.

Q: What is the term used in tennis when the score is 40-40? 2392 0

  • 1
    Ace
    Correct
    Wrong
  • 2
    Led
    Correct
    Wrong
  • 3
    Deuce
    Correct
    Wrong
  • 4
    Tie
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Deuce"
Explanation :

Answer: C) Deuce Explanation: When both sides have won the same number of points then: when each side has won one, or two, points, the score is described as "15-all" and "30-all" (or "15-up" and "30-up"), respectively. However, if each player has won three points, the score is called as "deuce", not "40–all". From that point on in the game, whenever the score is tied, it is described as "deuce", regardless of how many points have been played.

Q: GNLF stands for 2388 0

  • 1
    Gorkha National Liberation Front
    Correct
    Wrong
  • 2
    Gross National Liberation Form
    Correct
    Wrong
  • 3
    Both option A and B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Gorkha National Liberation Front"
Explanation :

Answer: A) Gorkha National Liberation Front Explanation: GNLF stands for Gorkha National Liberation Front.   Gorkha National Liberation Front (GNLF) is a political party in the Darjeeling District of West Bengal, India. It was formed in 1980 by Subhash Ghisingh with the objective of demanding a Gorkhaland state within India.

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully