IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ? 3646 0

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    45 metric tonnes
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  • 2
    47 metric tonnes
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  • 3
    55 metric tonnes
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  • 4
    34 metric tonnes
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उत्तर : 1. "45 metric tonnes"
व्याख्या :

Answer: A) 45 metric tonnes Explanation: 2 engines of former type for one hour consumes (2 x 24)/(6 x8) = 1 metric ton  i.e. 3 engines of latter type consumes 1 ton for one hour Hence 9 engines consumes 3 tons for one hour For 15 hours it is 15 x 3 = 45 metric tonnes.

प्र: Which major event in Indian history is also called as 'White Flowing River'? 3643 0

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    Partition of India
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    Dandi March
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  • 3
    Operation Bluestar
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  • 4
    Quit India Movement
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उत्तर : 2. "Dandi March"
व्याख्या :

Answer: B) Dandi March Explanation: In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater.    It is also called as 'White Flowing River'.

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उत्तर : 3. "J"
व्याख्या :

Answer: C) J Explanation: Given word is TIRADESNow the consonants T, R, D, S are replaced by S, Q, C, RAnd Vowels are I, A, E are replaced by J, B and FThey are arranged alphabeticallyNew word is BCFJQRS The fourth letter from the right end is J.

प्र: Which statement best describes an O3 molecule? 3636 0

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    The double bond in ozone switches back and forth between the two outer oxygen atoms
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  • 2
    An ozone molecule contains one single bond and one double bond
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  • 3
    Each atom in ozone is connected to another atom by 1.5 bonds.
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  • 4
    None
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उत्तर : 2. "An ozone molecule contains one single bond and one double bond"
व्याख्या :

Answer: B) An ozone molecule contains one single bond and one double bond Explanation: Ozone molecule has one single bond and one double bond.

प्र: The age of Sohail, Afzal and Bilal are 17,16 and 12 respectively. If the age of Aslam also included the average of the ages is increased by 5. What is the age of Aslam? 3629 0

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    32
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  • 2
    33
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  • 3
    34
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  • 4
    35
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उत्तर : 4. "35"
व्याख्या :

Answer: D) 35 Explanation: Given S = 17 yrs A = 16 yrs B = 12 yrs Average = 17 + 16 + 12/3 = 15 yrs Given if Aslam added to them, their average increases by 5 => Average of 4 members = 20 Let the age of Aslam be 'x' Then,  17 + 16 + 12 + x /4 = 20 => x = 80 - 45 => x = 35.    Hence, the age of Aslam is 35 yrs.

प्र: What is the next number in the given Number Series? 5, 24, 94, 279, ? 3624 0

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    587
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  • 2
    554
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  • 3
    489
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  • 4
    499
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उत्तर : 2. "554"
व्याख्या :

Answer: B) 554 Explanation: The given number series follows a pattern that 5 x 5 – 1 = 24 24 x 4 – 2 = 94 94 x 3 – 3 = 279 279 x 2 – 4 = 554

प्र: Which of the following statements about Australian football is TRUE? 3613 0

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    Goals are scored by kicking the ball through goal posts.
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    Each team has a number of set plays for both offense and defense.
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  • 3
    Constant movement of the ball is similar to baseball.
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  • 4
    The players tend to wear a large amount of padding.
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उत्तर : 1. "Goals are scored by kicking the ball through goal posts."
व्याख्या :

Answer: A) Goals are scored by kicking the ball through goal posts. Explanation:

प्र: Which statement about greek sculpture is false? 3609 0

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    The Greeks admired the strength and precision of athletes and wanted to portray athletic figures.
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  • 2
    The three main principles of Greek aesthetics are proportion, movement, and rhythm.
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  • 3
    Greeks sculptures are typically stiffly posed, highly styled figures.
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  • 4
    All the above
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उत्तर : 3. "Greeks sculptures are typically stiffly posed, highly styled figures."
व्याख्या :

Answer: C) Greeks sculptures are typically stiffly posed, highly styled figures. Explanation: Greek Sculpture are typically stiff, posed & highly styled figures is the false answer.

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