IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Tribal Cooperative Marketing Development Federation of India Limited (TRIFED) has celebrated 'World Honey Bee Day' on ? 1292 0

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    19th Augusrt
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    21st August
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    D) has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C)
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    has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C) 18th August D) 16th August
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उत्तर : 1. "19th Augusrt"
व्याख्या :

Answer: A) 19th Augusrt Explanation:

प्र: Which of the following elements has the lowest electronegativity 1292 0

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    Bromine
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    Fluorine
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    Carbon
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    Lithium
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उत्तर : 4. "Lithium"
व्याख्या :

Answer: D) Lithium Explanation: Electronegativity is the tendency for an atom to attract electrons. There are general trends on the periodic table which you can use to determine the relative electronegativity for different elements, but otherwise you can also look at their valence shell and effective nuclear charge to determine their relative electronegativity.   Here from the given options, Lithium has least tendency to attract electrons and thus has a lower electronegativity.

प्र: Who has been appointed as the first woman Secretary General of the Lok Sabha? 1292 0

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    Rama Devi
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    Sumitra Mahajan
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    Anupama Kare
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    Snehlata Shrivastava
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उत्तर : 4. "Snehlata Shrivastava"
व्याख्या :

Answer: D) Snehlata Shrivastava Explanation: Snehlata Shrivastava, appointed as the first woman Secretary General of the Lok Sabha. The appointment was made by Lok Sabha Speaker Sumitra Mahajan. Ms. Shrivastava will replace Anoop Mishra, who retired on November 30, 2017.  Ms. Shrivastava, a senior civil servant with 35 years of rich and varied administrative experience is a 1982 batch IAS officer from the Madhya Pradesh cadre. Rama Devi holds the distinction of the being the first woman secretary general of the Rajya Sabha.

प्र: Which of the following is known as the Electronic City of India? 1291 0

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    Hyderabad
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    Mumbai
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    Bengaluru
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    Gurgaon
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उत्तर : 3. "Bengaluru"
व्याख्या :

Answer: C) Bengaluru Explanation: Bengaluru city is known as the Electronic City of India. Because Electronic City is an IT hub in Anekal taluk of Bengaluru, Karnataka, India. It is one of India's largest electronic industrial parks in 3 phases i.e, in Konappana Agrahara and Doddathogur villages, Bengaluru.

प्र: How many words can be formed with or without meaning by using three letters out of k, l, m, n, o without repetition of alphabets. 1290 0

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    60
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    120
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    240
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    30
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उत्तर : 1. "60"
व्याख्या :

Answer: A) 60 Explanation: Given letters are k, l, m, n, o = 5 number of letters to be in the words = 3 Total number of words that can be formed from these 5 letters taken 3 at a time without repetation of letters = 5P3 ways. ⇒ 5P3 = 5 x 4 x 3 = 60 words.

प्र: In How many ways can the letters of the word 'CAPITAL' be arranged in such a way that all the vowels always come together? 1290 0

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    360
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    720
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    120
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    840
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उत्तर : 1. "360"
व्याख्या :

Answer: A) 360 Explanation: CAPITAL = 7   Vowels = 3 (A, I, A)   Consonants = (C, P, T, L)   5 letters which can be arranged in  5P5=5!   Vowels A,I = 3!2!   No.of arrangements = 5! x 3!2!=360

प्र: Who has been appointed as the new Director General of Police (DGP) of Telangana State Government? 1290 0

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    M. Mahender Reddy
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    Dharmendra Rao
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    Anurag Sharma
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    V.V. Srinivas Rao
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उत्तर : 1. "M. Mahender Reddy"
व्याख्या :

Answer: A) M. Mahender Reddy Explanation: M. Mahender Reddy, Commissioner of Hyderabad Police, has been appointed as the new Director General of Police (DGP) of Telangana State. He took charge on 12 November 2017.Reddy succeeded the first DGP of Telangana State Anurag Sharma, who retired from the service on 11 November 2017. Meanwhile, Hyderabad Police Additional Commissioner V.V. Srinivasa Rao has been made in-charge of Hyderabad Commissioner of Police. Anurag Sharma has now appointed as the advisor to Home Department by the Telangana State Government.

प्र: I am always infront of you, but you will never see me. Who am I? 1289 0

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    Mirror
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    Shadow
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    Future
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    None of the above
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उत्तर : 3. "Future"
व्याख्या :

Answer: C) Future Explanation: Yes, future is always infront of us, but no one can see it.

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