IIT JEE Practice Question and Answer

Q: abcdefghijklmnopqrstuvwxyz Riddle What sentence contains all abcdefghijklmnopqrstuvwxyz? 1371 0

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Answer :
Explanation :

The Quick Brown Fox Jumped Over The Lazy Dog  is the sentence which contains all 26 alphabets i.e, from a to z.

Q: 311, 230, 294, ?, 281, 256   What will come in place of the question mark (?) in the above number series? 1371 0

  • 1
    240
    Correct
    Wrong
  • 2
    245
    Correct
    Wrong
  • 3
    244
    Correct
    Wrong
  • 4
    246
    Correct
    Wrong
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Answer : 2. "245"
Explanation :

Answer: B) 245 Explanation: Given 311   230   294   ?   281   256   311 - (9x9) = 230   230 + (8x8) = 294   294 - (7x7) = 245   245 + (6x6) = 281   281 - (5x5) = 256   Hence, the missing number in the given series is 245.

Q: According to Forbes, Who has become Asia’s richest person in the year 2017? 1371 0

  • 1
    Jeff Bezos
    Correct
    Wrong
  • 2
    Hui Ka Yan
    Correct
    Wrong
  • 3
    Mukesh Ambani
    Correct
    Wrong
  • 4
    Bill Gates
    Correct
    Wrong
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Answer : 3. "Mukesh Ambani"
Explanation :

Answer: C) Mukesh Ambani Explanation: Reliance Industries Chairman Mukesh Ambani overtook China’s Hui Ka Yan to become Asia’s richest person with a total wealth of $42.1 billion. According to Forbes’ real time billionaire’s list, Ambani's personal wealth rose by $466 million in 2017.

Q: There are 1650 students in a college. The difference between the number of boys and girls in the college is 400. What is the percentage of girls in the college ? 1370 0

  • 1
    49
    Correct
    Wrong
  • 2
    34
    Correct
    Wrong
  • 3
    43
    Correct
    Wrong
  • 4
    38
    Correct
    Wrong
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Answer : 4. "38"
Explanation :

Answer: D) 38 Explanation: Let no. of boys be 'B' and no. of girls be 'G' Here from given data, B + G = 1650 .....(1) B - G = 400 .....(2) From (1) & (2), we get 2B = 2050 => B = 1025 => G = 1650 - 1025 = 625 Hence, the % of girls = 625 x 100/1650 => 38% (approx).

Q: Which Bank has made online transactions through RTGS and NEFT free of cost from November 1? 1368 0

  • 1
    HDFC Bank
    Correct
    Wrong
  • 2
    Karur Vysya Bank
    Correct
    Wrong
  • 3
    ICICI Bank
    Correct
    Wrong
  • 4
    SBI Bank
    Correct
    Wrong
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Answer : 1. "HDFC Bank"
Explanation :

Answer: A) HDFC Bank Explanation: Private sector lender HDFC Bank has made online fund transfer through RTGS (Real Time Gross Settlement) and NEFT (National Electronic Funds Transfer) free with effect from November 1, with an aim to promote digital economy. According to the revised charges, customers of savings and salary accounts of HDFC Bank will not have to pay any charge for transferring funds online using its RTGS and NEFT facilities.

Q: Which of the following is an example of system software? 1367 0

  • 1
    Microsoft word
    Correct
    Wrong
  • 2
    Calculator
    Correct
    Wrong
  • 3
    Operating system
    Correct
    Wrong
  • 4
    RAM
    Correct
    Wrong
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Answer : 3. "Operating system"
Explanation :

Answer: C) Operating system Explanation: In a brief, the system software is the interface between the hardware and user applications. System software is a type of computer program that is designed to run a computer’s hardware and application programs.   Examples : OS, System utilities, BIOS like mouse, keyboard, hard disc, Device drivers, Assembler,...

Q: Which University has topped the Times Higher Education World University Rankings 2018 ? 1366 0

  • 1
    IISC Bangalore
    Correct
    Wrong
  • 2
    Oxford
    Correct
    Wrong
  • 3
    IIT Kanpur
    Correct
    Wrong
  • 4
    Cambridge
    Correct
    Wrong
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Answer : 2. "Oxford"
Explanation :

Answer: B) Oxford Explanation: In the annual World University Rankings released by Times Higher Education, the Indian Institute of Science of India has reached 251-300 band from last year's 201-250 band, while Oxford and Cambridge universities are on the top in the Global 1000 list.

Q: In How many ways can the letters of the word 'CAPITAL' be arranged in such a way that all the vowels always come together? 1366 0

  • 1
    360
    Correct
    Wrong
  • 2
    720
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    840
    Correct
    Wrong
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Answer : 1. "360"
Explanation :

Answer: A) 360 Explanation: CAPITAL = 7   Vowels = 3 (A, I, A)   Consonants = (C, P, T, L)   5 letters which can be arranged in  5P5=5!   Vowels A,I = 3!2!   No.of arrangements = 5! x 3!2!=360

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