IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Add is to multiply as subtract is to 1433 0

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    fraction
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  • 2
    divide
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  • 3
    decimal
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  • 4
    None of the above
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उत्तर : 2. "divide"
व्याख्या :

Answer: B) divide Explanation: Here if you observe, add and subtract are opposite in nature. Similarly, mutiply and divide are also opposite in nature.   Hence, Add : Multiply :: Subtract : Divide.

प्र: Which veda deals with medicine? 3029 0

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    Atharva Veda
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  • 2
    Yajur Veda
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  • 3
    Sama Veda
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  • 4
    Rig Veda
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उत्तर : 1. "Atharva Veda"
व्याख्या :

Answer: A) Atharva Veda Explanation: The Vedas are considered the earliest literary record of Indo-Aryan civilization. It is the most sacred scriptures of India.   There are four Vedas in Hinduism. They are: 1. The Rig Veda, 2. Sama Veda, 3. Yajur Veda and 4. Atharva Veda. Most ailments, both physical and mental, were attributed to malevolent spirits and cures consisted of rituals, charms, mantras, medicines and surgical intervention. The hymns in the Atharva Veda, the last of the four Vedas, and largely composed after the Aryans were well settled in the sub-continent, indicate that indigenous non-Aryan healing practices had influenced the Vedic Aryan healers.

प्र: In the expansion phase of a business cycle 1330 0

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    economy moves from peak to trough
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    economy moves from contraction to peak
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    economy moves from trough to peak
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  • 4
    economy moves from trough to trough
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उत्तर : 3. "economy moves from trough to peak"
व्याख्या :

Answer: C) economy moves from trough to peak Explanation: Business cycles are identified as having four distinct phases: 1. Expansion, 2. Peak, 3. Contraction, and 4. Trough. Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery. An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

प्र: What part of a check is the least important? 1996 0

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    Memo line
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    The check number
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  • 3
    Routing number
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  • 4
    Signature line
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उत्तर : 1. "Memo line"
व्याख्या :

Answer: A) Memo line Explanation: The parts of a check are :   1. Name & Address 2. Date 3. Pay to the order of 4. Written amount 5. Numeric amount box 6. For or Memo line  7. Signature line 8. Check number 9. Account number 10. Bank name etc...    Hence, the Memo line which describes the purpose of the check is of least important in all the parts of a check.

प्र: What can you hold but not touch? 1373 0

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उत्तर :
व्याख्या :

There are many possibilities for this. We can hold a breathe, meeting, conversation, party, grudge, etc... but cannot touch them.

प्र: What is the Iupac name for the compound shown below. 1949 0

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    1-Bromo-3-chlorocyclohexene
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    2-Bromo-6-chlorocyclohex-1-ene
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  • 3
    6-Bromo-2-chlorocyclohexene
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  • 4
    3-Bromo-1-chlorocyclohex-1-ene
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उत्तर : 4. "3-Bromo-1-chlorocyclohex-1-ene"
व्याख्या :

Answer: D) 3-Bromo-1-chlorocyclohex-1-ene Explanation: In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

प्र: Why is burning coal a major source of pollution? 1265 0

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उत्तर :
व्याख्या :

Coal is chemically complex fuel. Whenever it is burned, gases are given off and particles of ash, called "fly ash," are released. Release of sulfur from burning into the air. The sulfur in coal combines with oxygen to form sulfur dioxide, which can be a major source of air pollution if emitted in large enough quantities. This stuff comes back as acid rain when it attaches itself to a raindrop.    Today, many of the effects of coal burning have been reduced significantly or eliminated. This is super-nasty and is only stopped by buying low-sulfur coal from Montana or Wyoming. The eastern power plants have to pay to move the coal from out west and this increases the price of power production.

प्र: Which statement describes the term salary? 1965 0

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    Salary refers to the fixed amount paid on a daily basis.
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    Salary refers to the varying amount paid on a daily basis.
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  • 3
    Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis.
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  • 4
    None of the above
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उत्तर : 3. "Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis."
व्याख्या :

Answer: C) Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis. Explanation: A salary is best described as a fixed amount of income that is paid to an individual on a weekly, bi-weekly or monthly basis.   A salary can also be described as the annual earnings paid out over a year.

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