GATE Practice Question and Answer

Q: Q's mother is sister of P and daughter of M who is brother of R. S is daughter of P and sister of T. How is M related to T ? 2155 0

  • 1
    Grand father
    Correct
    Wrong
  • 2
    Grand mother
    Correct
    Wrong
  • 3
    Grand father or Grand mother
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 1. "Grand father"
Explanation :

Answer: A) Grand father Explanation: Q's mother is sister of P and daughter of M => P is the child of M.S is daughter of P and sister of T, so P is parent of T too.M ----> parent --------> P ------------>parent -------------> TBut given M is brother of R => M is male. So, M is grandfather of T.

Q: What could cause a Fixed Disk Error? 2154 0

  • 1
    Slow Processor Speed
    Correct
    Wrong
  • 2
    RAM Space
    Correct
    Wrong
  • 3
    Incorrect CMOS Settings
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Incorrect CMOS Settings"
Explanation :

Answer: C) Incorrect CMOS Settings Explanation:

Q: What is the product of a number and its reciprocal? 2152 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    -ve of the number
    Correct
    Wrong
  • 4
    the number itself
    Correct
    Wrong
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Answer : 2. "1"
Explanation :

Answer: B) 1 Explanation: The product of a number and its reciprocal is always equals to 1.   For Example : Let the number be 4. Now, its reciprocal is 1/4 Hence, required product = 4 x 1/4 = 1.   Now, take the number as -15. Then its reciprocal is -1/15 Required product = -15 x -1/15 = 1.   Hence, the product of a number and its reciprocal is 1.

Q: Which of these is NOT a lipid? 2150 0

  • 1
    Wax
    Correct
    Wrong
  • 2
    Cholesterol
    Correct
    Wrong
  • 3
    RNA
    Correct
    Wrong
  • 4
    Phospholipid
    Correct
    Wrong
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Answer : 3. "RNA"
Explanation :

Answer: C) RNA Explanation: RNA is not a lipid among the given options.   A lipid is a substance of biological origin that is soluble in nonpolar solvents. It comprises a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, and phospholipids.

Q: Oldest Oil Field in India 2149 0

  • 1
    Mumbai High, Maharashtra
    Correct
    Wrong
  • 2
    Anleshwar, Gujarat
    Correct
    Wrong
  • 3
    Digboi, Assam
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Digboi, Assam"
Explanation :

Answer: C) Digboi, Assam Explanation: Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 MMTPA as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited, though the crude production is not high today.

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Answer :
Explanation :

It is said by Lord Polonius. It means do not lend or borrow money from a friend, because if you do so, you will lose both your friend and your money. If you lend, he will avoid paying back, and if you borrow you will fall out of your savings, as you turn into a spendthrift, and face humiliation.

Q: A and B started a business investing the money in ratio 4:6, after 6 months B withdraw his investment and C joins him with twice the amount of B. At the end of the year total profit is Rs.3315. Find share of C ? 2147 0

  • 1
    Rs. 450
    Correct
    Wrong
  • 2
    Rs. 1020
    Correct
    Wrong
  • 3
    Rs. 765
    Correct
    Wrong
  • 4
    Rs. 1530
    Correct
    Wrong
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Answer : 4. "Rs. 1530"
Explanation :

Answer: D) Rs. 1530 Explanation: Ratio of investments of A, B & C => Share of C = 1530 Share of B = 765 Share of A = 1020

Q: 7 years ago, the ratio of the ages of Anirudh to that of Bhavana, was 7:9. Chandhu is 12 years older than Anirudh and 12 years younger than Bhavana. What is Chandhu's present age? 2147 0

  • 1
    91 years
    Correct
    Wrong
  • 2
    115 years
    Correct
    Wrong
  • 3
    103 years
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 3. "103 years"
Explanation :

Answer: C) 103 years Explanation: Let present Anirudh's age be 'A' and Bhavana's age be 'B' Given seven years, their ratio is 7:9 => A-7 : B-7 = 7 : 9 => 9A - 7B = 14 .......(1) And given, Chandhu is 12 years older than A nad 12 years younger than B => C = A + 12....(2) => B = C + 12 => B = A + 12 + 12 .....(From (2)) => B = A + 24 ....(3) Put (3) in (1) 9A - 7(A+24) = 14 9A - 7A - 168 = 14 2A = 182 => A = 91 years => C = A + 12 = 91 +12 = 103 years.

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