GATE Practice Question and Answer

Q: At an examination in which maximum marks are 500. K got 10% less than L, L got 25% more than M and M got 20% less than N. If K got 360 marks what percentage of marks was obtained by N ? 1716 0

  • 1
    80
    Correct
    Wrong
  • 2
    87
    Correct
    Wrong
  • 3
    78
    Correct
    Wrong
  • 4
    76
    Correct
    Wrong
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Answer : 1. "80"
Explanation :

Answer: A) 80 Explanation: Let marks obtained by N = x M's marks = 0.80x L's marks = 1.25 (0.80x) K's marks = (0.90) (1.25) (0.80x) = 0.9x But 0.9x = 360 ⇒ x = 400 Percentage of Marks obtained by N = 400 x 100/500 = 80%

Q: When was Zoroastrianism founded? 1716 0

  • 1
    4th century BCE
    Correct
    Wrong
  • 2
    6th century BCE
    Correct
    Wrong
  • 3
    8th century BCE
    Correct
    Wrong
  • 4
    10th century BCE
    Correct
    Wrong
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Answer : 2. "6th century BCE"
Explanation :

Answer: B) 6th century BCE Explanation: Zoroastrianism is one of the world's oldest extant religions. It is the ancient pre-Islamic religion of Iran that survives there in isolated areas and, more prosperously, in India, where the descendants of Zoroastrian Iranian (Persian) immigrants are known as Parsis, or Parsees.   The Iranian prophet and religious reformer Zarathustra flourished before the 6th century BCE more widely known outside Iran as Zoroaster is traditionally regarded as the founder of the religion.   Zoroastrianism contains both monotheistic and dualistic features. It likely influenced the other major Western religions—Judaism, Christianity, and Islam.

Q: Sensitive data is always classified. 1715 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE
    Correct
    Wrong
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Answer : 2. "FALSE"
Explanation :

Answer: B) FALSE Explanation: FALSE. Sensitive data is NOT always classified.   Sensitive information is data that must be protected from unauthorized access to safeguard the privacy or security of an individual or organization. There are three main types of sensitive information: 1. Personal information 2. Business information 3. Classified information Data is "Classified" based on the damage that might result from unauthorized disclosure. Some data is Sensitive, but will not necessarily do harm to the country if released publicly - such as PII- which could do harm to individuals if released but not necessarily the country.

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Answer : 4. "100 min"
Explanation :

Answer: D) 100 min Explanation: Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.[-ve sign means emptying] The third pipe alone can empty the cistern in 100 min.

Q: How many three digit numbers 'abc' are formed where two of the three digits are same ? 1715 0

  • 1
    252
    Correct
    Wrong
  • 2
    648
    Correct
    Wrong
  • 3
    243
    Correct
    Wrong
  • 4
    900
    Correct
    Wrong
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Answer : 3. "243"
Explanation :

Answer: C) 243 Explanation: Digits are 0,1,2,3,4,5,6,7,8,9. So no. of digits are 10   First all possible case => 9(0 excluded) x 10 x 10 = 900   Second no repetition allowed =>9 x 9 x 8 = 648   Third all digits are same => 9 (111,222,333,444,555,666,777,888,999)   Three digit numbers where two of the three digits are same = 900 - 648 - 9 = 243 ;

Q: Which of the following is / are fund managers for National Pension System (NPS) in 2017 ? 1714 0

  • 1
    Axis provident fund
    Correct
    Wrong
  • 2
    Yes bank pension fund
    Correct
    Wrong
  • 3
    ICICI prudential pension
    Correct
    Wrong
  • 4
    Punjab National provident fund
    Correct
    Wrong
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Answer : 3. "ICICI prudential pension"
Explanation :

Answer: C) ICICI prudential pension Explanation: At present in 2017, there are only seven NPS fund managers viz. HDFC Pension Fund, ICICI Prudential Pension, Kotak Pension Fund, LIC Pension Fund,  Reliance Capital Pension, SBI Pension Fund and UTI Retirement Solutions.

Q: Find the C.I. on Rs. 15,225 for 9 months at 16% per annum compounded quarterly ? 1714 0

  • 1
    Rs. 1911
    Correct
    Wrong
  • 2
    Rs. 1909
    Correct
    Wrong
  • 3
    Rs. 1901
    Correct
    Wrong
  • 4
    Rs. 1907
    Correct
    Wrong
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Answer : 3. "Rs. 1901"
Explanation :

Answer: C) Rs. 1901 Explanation: P = Rs. 15225, n = 9 months = 3 quarters, R = 16% p.a. per quarter.   Amount = 15225x1+41003   = (15225 x 26/25 x 26/25 x 26/25) = Rs. 17126.05   => C.I. = 17126 - 15625 = Rs. 1901.05.

Q: In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ? 1713 0

  • 1
    18 years
    Correct
    Wrong
  • 2
    12 years
    Correct
    Wrong
  • 3
    15 years
    Correct
    Wrong
  • 4
    16 years
    Correct
    Wrong
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Answer : 4. "16 years"
Explanation :

Answer: D) 16 years Explanation: Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average) = 24 – 24×4/12 = 24 – 8 = 16 years.

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