IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: How many degrees will the minute hand move, in the same time in which the second hand move 4800 ? 5705 05b5cc6d8e4d2b4197774e746
5b5cc6d8e4d2b4197774e746- 180 degtrue
- 2160 degfalse
- 3140 degfalse
- 4135 degfalse
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उत्तर : 1. "80 deg"
व्याख्या :
Answer: A) 80 deg Explanation: As minute hand covers, 60 degrees Minute hand covers 4800/60 = 80°
प्र: Boy, man, uncle, fireman, grandfather are... 5697 05b5cc6dee4d2b4197774ea51
5b5cc6dee4d2b4197774ea51- 1Feminine titlesfalse
- 2Masculine titlestrue
- 3Both Feminine and Masculine titlesfalse
- 4None of the abovefalse
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उत्तर : 2. "Masculine titles"
व्याख्या :
Answer: B) Masculine titles Explanation: As they are the titles of male gender, they are called as Masculine titles.
प्र: 2 is to 55 as 6 is to 5677 05b5cc66de4d2b4197774bfe4
5b5cc66de4d2b4197774bfe4- 199true
- 244false
- 39false
- 433false
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उत्तर : 1. "99"
व्याख्या :
Answer: A) 99 Explanation: Given 2 is to 55 2 + 3 = 5 5 x 11 = 55 Similarly, 6 6 + 3 = 9 9 x 11 = 99 Hence, 2 is to 55 as 6 is to 99.
प्र: What is the number of digits in 333? Given that log3 = 0.47712? 5612 05b5cc7d0e4d2b41977751209
5b5cc7d0e4d2b41977751209- 112false
- 213true
- 314false
- 415false
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उत्तर : 2. "13"
व्याख्या :
Answer: B) 13 Explanation: Let Let x=333 = 333 Then, logx = 33 log3 = 27 x 0.47712 = 12.88224 Since the characteristic in the resultant value of log x is 12 ∴The number of digits in x is (12 + 1) = 13 Hence the required number of digits in 333is 13.
प्र: In a certain coding language, iF GO = 32 & SHE = 49 then SOME will be equal to ? 5576 05b5cc73de4d2b4197774f96d
5b5cc73de4d2b4197774f96d- 156true
- 258false
- 362false
- 464false
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उत्तर : 1. "56"
व्याख्या :
Answer: A) 56 Explanation: If we count letters till the end of the alphabet including that letter in reverse order then Here the values are nothing but the values corresponding to the alphabets when taken in a reverse order,i.e,A=26 ,B=25...,Z=1G = 20 and O = 12 totaling 32S = 8, H = 19 and E = 22 totaling 49 So SOME = 8 + 12 + 14 + 22 = 56.
प्र: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 5574 05b5cc6eee4d2b4197774eed7
5b5cc6eee4d2b4197774eed7- 1²²C₁₀ + 1false
- 2²²C₉ + ¹⁰C₁false
- 3²²C₁₀false
- 4²²C₁₀ - 1true
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उत्तर : 4. "²²C₁₀ - 1"
व्याख्या :
Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1
प्र: Convent : Cloister :: Eyrie : ? 5551 05b5cc694e4d2b4197774c489
5b5cc694e4d2b4197774c489- 1Showfalse
- 2Openfalse
- 3Hidefalse
- 4Nesttrue
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उत्तर : 4. "Nest"
व्याख्या :
Answer: D) Nest Explanation: Here the first two words are synonyms. Similarly, Eyrie means a large nest. So, the synonym of Eyrie is nest. Hence, Convent : Cloister :: Eyrie : Nest.
प्र: The Study of Ancient Societies is called 5538 05b5cc6b2e4d2b4197774d37e
5b5cc6b2e4d2b4197774d37e- 1Anthropologyfalse
- 2Archaeologytrue
- 3Historyfalse
- 4Ethnologyfalse
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उत्तर : 2. "Archaeology"
व्याख्या :
Answer: B) Archaeology Explanation: Archaeology is the science which studies ancient societies based on their material remains. Through the analysis of objects and those works constructed by ancient peoples, this science can arrive at conclusions about their culture and their ways of life. There are several branches of Archaeology as well as many tools relevant to this science.