GATE प्रश्न और उत्तर का अभ्यास करें

प्र: About 4 out of 5 students are left handed. If there are totally 40 students in an class. How many would be left handed ? 1952 0

  • 1
    40
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  • 2
    45
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  • 3
    32
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    गलत
  • 4
    30
    सही
    गलत
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उत्तर : 3. "32"
व्याख्या :

Answer: C) 32 Explanation: Probability of left handed = 4/5total student = 40total left handed = 40 x(4/5)= 32

प्र: What do lines of latitude measure? 1950 0

  • 1
    east-west position between the poles
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  • 2
    north-south position between the poles
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  • 3
    north-east position between the poles
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  • 4
    south-west position between the poles
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उत्तर : 2. "north-south position between the poles"
व्याख्या :

Answer: B) north-south position between the poles Explanation: Lines of latitude measure north-south position between the poles.   Lines of latitude are imaginary reference lines that describe how far north or south a location on the Earth is from the Equator. The equator is defined as 0 degrees, the North Pole is 90 degrees north, and the South Pole is 90 degrees south. Lines of latitude are all parallel to each other, thus they are often referred to as parallels.

प्र: A is sister of B who is mother of C who is mother of D. E is the grand mother of D. Then how C is related to E ? 1950 0

  • 1
    Sister
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  • 2
    Daughter
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  • 3
    Mother
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  • 4
    Daughter-in-law
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उत्तर : 4. "Daughter-in-law"
व्याख्या :

Answer: D) Daughter-in-law Explanation:         GM    GMA ---- B ---- E         |         |         C         |         |         D (Grand son or daughter)

प्र: Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I? 1950 0

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उत्तर :
व्याख्या :

The answer is 'X'. 1. It is the 24th letter in the alphabetical order. 2. XX (20 in Roman) 3. XXX is used to refer dirty.

प्र: What is 70 of 50? 1949 0

  • 1
    35
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  • 2
    38
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  • 3
    42
    सही
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  • 4
    44
    सही
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उत्तर : 1. "35"
व्याख्या :

Answer: A) 35 Explanation: what is 70 of 50 means 70% of 50   ⇒70 x 50100= 7 x 5= 35   Hence, 70 of 50 is 35.

प्र: Calculate the angle between the two hands of clock when the clock shows 4 : 20 p.m. ? 1949 0

  • 1
    5 degrees
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  • 2
    10 degrees
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  • 3
    15 degrees
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  • 4
    25 degrees
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उत्तर : 2. "10 degrees"
व्याख्या :

Answer: B) 10 degrees Explanation: Since at 4 : 20 the minute hand will be at 4 and the angle between them will be same as the distance covered in degree by the hour hand in 20 minutes.   Required angle = distance of hour hand = speed × time = 12× 20 =10 degrees.

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1948 0

  • 1
    7:1
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  • 2
    13:5
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  • 3
    15:7
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  • 4
    2:7
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उत्तर : 1. "7:1"
व्याख्या :

Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: Which of the following uses a Non Renewable Energy Source? 1947 1

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    Wind Mill Power Plant
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  • 2
    Hydro Electric Plant
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  • 3
    Nuclear Power Plant
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  • 4
    Tidal Power Plant
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उत्तर : 3. "Nuclear Power Plant"
व्याख्या :

Answer: C) Nuclear Power Plant Explanation: Nuclear Power Plant uses a Non Renewable Energy Source.   Non-renewable energy is that source of energy which can not be used again and again. This sort of energy is sustainable to exhaustion. Non renewable energy is that form of energy which is subject to deletion. This type of energy is of many uses to us. It can be used to produce electricity, heating, cooking, transportation and manufacturing. 85% of the energy used in the industrial processes is form the non-renewable type of energy.

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