IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: "Compounding frequency" refers to 2712 0

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    What type of interest your account earns
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    गलत
  • 2
    How often your interest is calculated and added back into your account
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  • 3
    What interest rate you can expect from your account
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  • 4
    How easily you can add money into your account
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उत्तर : 2. "How often your interest is calculated and added back into your account"
व्याख्या :

Answer: B) How often your interest is calculated and added back into your account Explanation: Compounding frequency : The time periods when interest will be calculated on top of the original loan amount (or) The number of compounding periods in one year.   The greater the compounding frequency, the more often your interest is calculated and added back into your account.

प्र: What is better, to have 70% discount or 40 and 30% discount consequently ? 2711 0

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    40% is better
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  • 2
    70% is better
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    Both are same
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  • 4
    None
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उत्तर : 2. "70% is better"
व्याख्या :

Answer: B) 70% is better Explanation: Let Price be Rs.100 1st CASE: Then 100 x 70/100 = 70=> price after discount = 100-70 = Rs.30 2nd CASE: Then 100 x 40/100 = 40=> price after discount = 100-40 = Rs.60then60 x 30/100 = 18=> price after 2 consequent discount = 60-18 = Rs.42 =>from 1 and 2 cases, 70% discount is better.

प्र: Which one of the following is used to induce artificial rain ? 2711 0

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    Potassium Nitrate
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  • 2
    Ammonium chloride
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    Calcium carbonate
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  • 4
    Silver lodide
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उत्तर : 4. "Silver lodide"
व्याख्या :

Answer: D) Silver lodide Explanation:

प्र: The Length of the Day is determined in 2710 0

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    length of the hours
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  • 2
    length of the year
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    astronomical units
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  • 4
    solar terms
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उत्तर : 3. "astronomical units"
व्याख्या :

Answer: C) astronomical units Explanation: The Length of the Day is determined in Astronomical Units. The length of a day corresponds to the time the Earth takes to turn around on its axis, which is approximately 24 hours. But it's not exactly 24 hours.  This phenomenon is due to tides raised by the Moon which slow Earth's rotation. Because of the way the second is defined, the mean length of a day is now about 86 400.002 seconds, and is increasing by about 1.7 milliseconds per century.

प्र: Given that on 9th August 2016 is Saturday. What was the day on 9th August 1616 ? 2709 0

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    Saturday
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  • 2
    Sunday
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    Friday
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  • 4
    Monday
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उत्तर : 1. "Saturday"
व्याख्या :

Answer: A) Saturday Explanation: We know that, After every 400 years, the same day occurs.Thus, if 9th August 2016 is Saturday, before 400 years i.e., on 9th August 1616 has to be Saturday.

प्र: Find the next number in the given series ? 3, 7, 6, 5, 9, 3, 12, 1, 15, . . . 2708 0

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    2
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    0
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  • 3
    1
    सही
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  • 4
    -1
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उत्तर : 4. "-1"
व्याख्या :

Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series 1) 3, 6, 9, 12, 15..... 2) 7, 5, 3, 1, ..... -1 is the next number.

प्र: An area of dead myocardial tissue is called 2707 0

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    an infarct
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    stenosis
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    an induration
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  • 4
    hypertrophy
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उत्तर : 1. "an infarct"
व्याख्या :

Answer: A) an infarct Explanation: An area of dead myocardial tissue is called an infarct.

प्र: Which 'Water Body' separates Andaman and Nicobar Islands ? 2705 0

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    Eleventh Degree Channel
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    Andaman Sea
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    Bay of Bengal
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  • 4
    Ten Degree Channel
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उत्तर : 4. "Ten Degree Channel"
व्याख्या :

Answer: D) Ten Degree Channel Explanation:

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