GATE Practice Question and Answer

Q: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3167 0

  • 1
    Rs.14,000
    Correct
    Wrong
  • 2
    Rs.12,000
    Correct
    Wrong
  • 3
    Rs. 12,800
    Correct
    Wrong
  • 4
    Rs. 15,000
    Correct
    Wrong
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Answer : 2. "Rs.12,000"
Explanation :

Answer: B) Rs.12,000 Explanation: We have P = 8748, R = -10 and n = 3Therefore, the purchase price of the machine= P1+R100n= 87481-101003= 8748 x (100/90) x (100/90) x (100/90)= 12,000.   Therefore, the purchase price of the machine was Rs. 12,000.

Q: The wildcard in a WHERE clause is useful when 3167 0

  • 1
    An exact match is not possible in a SELECT statement.
    Correct
    Wrong
  • 2
    An exact match is necessary in a CREATE statement.
    Correct
    Wrong
  • 3
    An exact match is not possible in a CREATE statement.
    Correct
    Wrong
  • 4
    An exact match is necessary in a SELECT statement.
    Correct
    Wrong
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Answer : 1. "An exact match is not possible in a SELECT statement."
Explanation :

Answer: A) An exact match is not possible in a SELECT statement. Explanation:

Q: If NAMO = 172 and OM = 56  then, SHIVAY = ? 3166 0

  • 1
    606
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    504
    Correct
    Wrong
  • 4
    404
    Correct
    Wrong
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Answer : 3. "504"
Explanation :

Answer: C) 504 Explanation: (COUNTING OF LETTERS) NAMO = 14 + 1 + 13 + 15 = 43 x 4 = 172,  OM = 15 + 13 = 28 x 2 = 56, SHIVAY = 19 + 8 + 9 + 22 + 1 + 25 = 84 x 6 = 504

Q: Which statement best describes an O3 molecule? 3163 0

  • 1
    The double bond in ozone switches back and forth between the two outer oxygen atoms
    Correct
    Wrong
  • 2
    An ozone molecule contains one single bond and one double bond
    Correct
    Wrong
  • 3
    Each atom in ozone is connected to another atom by 1.5 bonds.
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "An ozone molecule contains one single bond and one double bond"
Explanation :

Answer: B) An ozone molecule contains one single bond and one double bond Explanation: Ozone molecule has one single bond and one double bond.

Q: In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m ? 3155 0

  • 1
    127.5 m
    Correct
    Wrong
  • 2
    254 m
    Correct
    Wrong
  • 3
    184 m
    Correct
    Wrong
  • 4
    212 m
    Correct
    Wrong
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Answer : 1. "127.5 m"
Explanation :

Answer: A) 127.5 m Explanation: When A runs 1000 m, B runs 900 m and when B runs 800 m, C runs 700 m. When B runs 900 m, distance that C runs = (900 x 700)/800 = 6300/8 = 787.5 m. In a race of 1000 m, A beats C by (1000 - 787.5) = 212.5 m to C. In a race of 600 m, the number of meters by which A beats C = (600 x 212.5)/1000 = 127.5 m.

Q: What is the next number in the given Number Series? 5, 24, 94, 279, ? 3152 0

  • 1
    587
    Correct
    Wrong
  • 2
    554
    Correct
    Wrong
  • 3
    489
    Correct
    Wrong
  • 4
    499
    Correct
    Wrong
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Answer : 2. "554"
Explanation :

Answer: B) 554 Explanation: The given number series follows a pattern that 5 x 5 – 1 = 24 24 x 4 – 2 = 94 94 x 3 – 3 = 279 279 x 2 – 4 = 554

Q: First Bank to introduce Credit Card in India 3147 0

  • 1
    HSBC Bank
    Correct
    Wrong
  • 2
    ICICI Bank
    Correct
    Wrong
  • 3
    State Bank of India
    Correct
    Wrong
  • 4
    Central Bank of India
    Correct
    Wrong
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Answer : 4. "Central Bank of India"
Explanation :

Answer: D) Central Bank of India Explanation:   First Bank to introduce Credit Card in India - Central Bank of India First Bank to introduce ATM  -  HSBC, 1987 First Bank to introduce Internet Banking - ICICI Bank First Bank to introduce Mutual Funds - State Bank of India

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