IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Find the odd man out of the following number series? 22, 26, 42, 78, 142, 244 2257 0

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    244
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    142
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    78
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  • 4
    42
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    गलत
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उत्तर : 1. "244"
व्याख्या :

Answer: A) 244 Explanation: The given number series 22, 26, 42, 78, 142, 244 follows a pattern that, 2222 + 22 = 22 + 4 = 2626 + 42 = 26 + 16 = 4242 + 62 = 42 + 36 = 7878 + 82 = 78 + 64 = 142142 + 102 = 142 + 100 = 242    Hence, the odd one in the given number series is 244.

प्र: The primary Economic function of the Financial system is to 2256 0

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    Providing experts advice to investors and savers
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    Match one person's savings with another person's investment
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    Keeping interest rates low
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    Match one person's consumpion expenditure with another person's capital expenditure
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उत्तर : 2. "Match one person's savings with another person's investment"
व्याख्या :

Answer: B) Match one person's savings with another person's investment Explanation: The primary Economic function of the Financial system is to match one person's savings with another person's investment. As a key component of the financial system, banks allocate funds from savers to borrowers in an efficient manner. They provide specialized financial services, which reduce the cost of obtaining information about both savings and borrowing opportunities. These financial services help to make the overall economy more efficient.

प्र: Microphone : Loud :: Microscope : ? 2256 0

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    Investigate
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    Magnify
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    Examine
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  • 4
    Elongate
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उत्तर : 2. "Magnify"
व्याख्या :

Answer: B) Magnify Explanation: As Microphone makes sound louder similarly Microscope makes the object magnified.   Hence, Microphone : Loud :: Microscope : Magnify.

प्र: A woman’s voice is shriller than a man’s voice due to 2253 0

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    weak vocal chords
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    lower frequency
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    higher frequency
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    higher amplitude
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उत्तर : 3. "higher frequency"
व्याख्या :

Answer: C) higher frequency Explanation: As the frequency of sound is higher, women have shriller voices than men. The shrillness or pitch of a sound is determined by its frequency. The higher the pitch shriller the voice. As the sounds produced by vocal cords of women are higher than men so women have shriller voices than men. Because their vocal cord is of smaller size. As their vocal cord is more stretched than men's.

प्र: The production possibilities curve illustrates the basic principle that 2252 0

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    if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced.
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    the production of more of any one good will in time require smaller and smaller sacrifices of other goods.
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    an economy will automatically obtain full employment of its resources.
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    an economy's capacity to produce increases in proportion to its population size.
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उत्तर : 1. "if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced."
व्याख्या :

Answer: A) if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced. Explanation: A graph that describes the maximum amount of one good that can be produced for every possible level of production of the other good is nothing but a production possibilities curve.

प्र: Which of the following Valleys is known as "Paradise of Earth" ? 2251 0

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    Kullu Valley
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    Doon Valley
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    Kangra Valley
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  • 4
    Kashmir Valley
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उत्तर : 4. "Kashmir Valley"
व्याख्या :

Answer: D) Kashmir Valley Explanation:

प्र: Which of these is NOT a lipid? 2251 0

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    Wax
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    Cholesterol
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    RNA
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    Phospholipid
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उत्तर : 3. "RNA"
व्याख्या :

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.

प्र: Fill in the blank with an appropriate word from the following options. Usually the room tariff in this hotel is higher. At present, it is low because of the------- season. 2251 0

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    Peak
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  • 2
    Off
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    Down
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  • 4
    Slow
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उत्तर : 2. "Off"
व्याख्या :

Answer: B) Off Explanation: Season can be either at peak or off.Presently it is low, that is because of OFF season.

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