GATE Practice Question and Answer

Q: Which of the following is not a Jovian planet? 1892 0

  • 1
    Jupiter
    Correct
    Wrong
  • 2
    Earth
    Correct
    Wrong
  • 3
    Saturn
    Correct
    Wrong
  • 4
    Neptune
    Correct
    Wrong
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Answer : 2. "Earth"
Explanation :

Answer: B) Earth Explanation: Earth is not a Jovian Planet as it is a Terrestrial planet. A planet designated as Jovian is hence a gas giant, composed primarily of hydrogen and helium gas with varying degrees of heavier elements.   Within the Solar System, four Jovian planets exist – Jupiter, Saturn, Uranus, and Neptune. Though these planets vary in terms of size, mass, and composition, they all share certain characteristics that cause them to differ greatly from the terrestrial planets located in the inner Solar System.

Q: What is Latus Rectum of Parabola? 1892 0

  • 1
    line segment
    Correct
    Wrong
  • 2
    vertex
    Correct
    Wrong
  • 3
    focus
    Correct
    Wrong
  • 4
    major axis
    Correct
    Wrong
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Answer : 1. "line segment"
Explanation :

Answer: A) line segment Explanation: As parabola is a locus of a point, which moves so that its distance from focus and directrix is always equal.   The latus rectum of a conic section is the chord (line segment) that passes through the focus, is perpendicular to the major axis and has both endpoints on the curve. The length of the latus rectum is determined differently for each conic.                                          The length of a parabola's latus rectum is 4p, where p is the distance from the focus to the vertex.

Q: In which layer is the temperature the lowest? 1892 0

  • 1
    Troposphere
    Correct
    Wrong
  • 2
    Ionosphere
    Correct
    Wrong
  • 3
    Mesosphere
    Correct
    Wrong
  • 4
    Stratosphere
    Correct
    Wrong
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Answer : 3. "Mesosphere"
Explanation :

Answer: C) Mesosphere Explanation: The mesosphere lies above the stratosphere and extends to an altitude of about 85 km. This is layer is often referred to as the cold layer, as the lowest readings in the atmosphere are found here.   Temperature decreases with height, reaching a minimum average value of -90 ºC at the top of the layer.

Q: The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is Rs. 56. Then the sum is : 1892 0

  • 1
    Rs. 3680
    Correct
    Wrong
  • 2
    Rs. 2650
    Correct
    Wrong
  • 3
    Rs. 1400
    Correct
    Wrong
  • 4
    Rs. 1170
    Correct
    Wrong
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Answer : 3. "Rs. 1400"
Explanation :

Answer: C) Rs. 1400 Explanation: We know thatThe Difference between Compound Interest and Simple Interest for n years at R rate of interest is given by C.In - S.In = PR100n Here n = 2 years, R = 20%, C.I - S.I = 56 56 = P201002=> P = 56 x 52=> P = 56 x 25=> P = Rs. 1400

Q: A hybrid of a donkey and a horse 1892 0

  • 1
    Panthera and Mule
    Correct
    Wrong
  • 2
    Mules and Hinnys
    Correct
    Wrong
  • 3
    Liger and Hinnys
    Correct
    Wrong
  • 4
    Wholphin and Mule
    Correct
    Wrong
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Answer : 2. "Mules and Hinnys"
Explanation :

Answer: B) Mules and Hinnys Explanation: Donkeys and horses can be breed to make mules and hinnys. A hinny is a domestic equine hybrid that is the offspring of a male horse, a stallion, and a female donkey, a jenny. It is the reciprocal cross to the more common mule, which is the product of a male donkey, a jack, and a female horse, a mare.

Q: The more you take, the more you leave behind. What is that? 1891 0

  • 1
    Pictures
    Correct
    Wrong
  • 2
    Hole
    Correct
    Wrong
  • 3
    Clothes
    Correct
    Wrong
  • 4
    Footsteps
    Correct
    Wrong
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Answer : 4. "Footsteps"
Explanation :

Answer: D) Footsteps Explanation: Yes, footsteps are what we take more, the more we leave behind.

Q: Prashanth sold a album for $ 735 and made a profit of 22.5% . The cost price of the album went up by $120 and so Prashanth increased the selling price by $120. What is his profit % now ? 1891 0

  • 1
    19.32 %
    Correct
    Wrong
  • 2
    18.75 %
    Correct
    Wrong
  • 3
    21.41 %
    Correct
    Wrong
  • 4
    22 %
    Correct
    Wrong
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Answer : 2. "18.75 %"
Explanation :

Answer: B) 18.75 % Explanation: Prashanth sold a album for $ 735 and made a profit of 22.5% .CP = 735 x 100/122.5 = Rs. 600New CP = 600 + 120 = Rs. 720New SP = 735 + 120 = Rs. 855. Profit = Rs. 135. profit % = 100 x 135/720 = 18.75%.

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Answer :
Explanation :

The Riddle itself has the Answers. What is a 4 letter word Yet is written in 3 letters Everything is written with 9 letters Then with 4 letters Rarely has 6 letters Never is written in 5 letters.

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