IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: What is the equivalent compound ratio of 5:6::7:10::6:5 ? 2004 05b5cc6e3e4d2b4197774eccf
5b5cc6e3e4d2b4197774eccf- 17 : 9false
- 29 : 7false
- 37 : 4false
- 47 : 10true
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उत्तर : 4. "7 : 10"
व्याख्या :
Answer: D) 7 : 10 Explanation: Given 5:6 :: 7:10 :: 6:5 We know that compound ratio is calculated as a:b :: c:d :: e:f(axcxe):(bxdxf) => (5x7x6):(6x10x5)=> (210):(300)= 7:10
प्र: World’s highest railway bridge will be constructed on which river ? 1301 05b5cc6e3e4d2b4197774ecbb
5b5cc6e3e4d2b4197774ecbb- 1Gangafalse
- 2Chenabtrue
- 3Yamunafalse
- 4Kaverifalse
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उत्तर : 2. "Chenab"
व्याख्या :
Answer: B) Chenab Explanation: Chenab River in Jammu & Kashmir in next 2 years. Its height is 359 mts i.e 35mts more than the height of Eiffel Tower.
प्र: Cancer is caused by 1825 05b5cc6e3e4d2b4197774ecac
5b5cc6e3e4d2b4197774ecac- 1Loss of immunity of cellsfalse
- 2Uncontrolled meiosisfalse
- 3Uncontrolled mitosistrue
- 4Rupturing of cellsfalse
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उत्तर : 3. "Uncontrolled mitosis"
व्याख्या :
Answer: C) Uncontrolled mitosis Explanation:
प्र: Who is the father of Tissue Culture ? 2787 25b5cc6e3e4d2b4197774eca7
5b5cc6e3e4d2b4197774eca7- 1Gautheretfalse
- 2Haberlandttrue
- 3Bonnerfalse
- 4Laibachfalse
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उत्तर : 2. "Haberlandt"
व्याख्या :
Answer: B) Haberlandt Explanation:
प्र: L is the daughter of K's brother's wife's father-in-law's daughter. K is L's __ 2493 05b5cc6e3e4d2b4197774eca2
5b5cc6e3e4d2b4197774eca2- 1Sonfalse
- 2Auntfalse
- 3Unclefalse
- 4Can't be determinedtrue
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उत्तर : 4. "Can't be determined"
व्याख्या :
Answer: D) Can't be determined Explanation: K's brother's wife's father-in-law is K's brother's father i.e. K's father. K's father's daughter is K's Sister.L is daughter of K's sister => K is L's Uncle or Aunt.
प्र: How is my father's mother's only daughter-in-law's daughter's father related to me ? 1584 05b5cc6e3e4d2b4197774ec9d
5b5cc6e3e4d2b4197774ec9d- 1Son-in-lawfalse
- 2Unclefalse
- 3Sonfalse
- 4Fathertrue
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उत्तर : 4. "Father"
व्याख्या :
Answer: D) Father Explanation: My fahter's mother's only daughter-in-law is my father's wife i.e. my mother. My mother's daughter is my sister. My sister's father is my father.
प्र: In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples ? 7001 05b5cc6e3e4d2b4197774ec98
5b5cc6e3e4d2b4197774ec98- 16/7false
- 219/21false
- 37/31false
- 45/21true
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उत्तर : 4. "5/21"
व्याख्या :
Answer: D) 5/21 Explanation: Number of ways of (selecting at least two couples among five people selected) = (⁵C₂ x ⁶C₁) As remaining person can be any one among three couples left. Required probability = (⁵C₂ x ⁶C₁)/¹⁰C₅= (10 x 6)/252 = 5/21
प्र: Find the simple interest on Rs.600 for 11 months at 5 paisa per month ? 1567 05b5cc6e3e4d2b4197774ec93
5b5cc6e3e4d2b4197774ec93- 1Rs. 30false
- 2Rs. 3.30true
- 3Rs. 33false
- 4Rs. 330false
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उत्तर : 2. "Rs. 3.30"
व्याख्या :
Answer: B) Rs. 3.30 Explanation: I = (600x11x5)/100 = 330 Paise = Rs. 3.30

