IIT JEE Practice Question and Answer
8Q: In a plane 8 points are colliner out of 12 points, then the number of triangles we get with those 12 points is 984 05b5cc7b4e4d2b419777508ab
5b5cc7b4e4d2b419777508ab- 120false
- 2160false
- 3164true
- 4220false
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Answer : 3. "164"
Explanation :
Answer: C) 164 Explanation: For a triangle, we need 3 non-collinear points. So with 12 points (when all the 12 are such that any three non-collinear is12C3. But among them 8 points are collinear. If all these 8 points are different we get 8C3 triangles as they are collinear. In 12C3 triangles, we do not get 8C3 triangles Therefore, The number of triangles we get = 12C3-8C3 = 164
Q: Who is in the judicial branch? 984 05b5cc64ae4d2b4197774bc56
5b5cc64ae4d2b4197774bc56- Show AnswerHide Answer
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Answer :
Explanation :
Judicial branch is one among the three branches of the government. Supreme court, the magistrate (local) and municipal (city) courts are there in the judicial branch. The Judicial branch interprets the laws.
Q: The length of a rectangle is 10 cm more than the breadth. Find the diagonal length of rectangle if perimeter is 44 cm ? 983 05b5cc6cae4d2b4197774e06d
5b5cc6cae4d2b4197774e06d- 112.50 cmfalse
- 214.21 cmfalse
- 315.98 cmfalse
- 417.08 cmtrue
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Answer : 4. "17.08 cm"
Explanation :
Answer: D) 17.08 cm Explanation: Let the length of the rectangle = L cm Then the breadth of the rectangle = (L - 10) cm Perimeter of a rectangle = 2(L + B) cm => 44 = 2(L + L - 10) => 44 = 4L - 20 => 4L = 64 => L = 16 cm => B = L - 10 = 6 cm Diagonal = L2+B2 = 162+62 = 17.08 cm
Q: What are the Monomers that make up Proteins? 983 05b5cc6afe4d2b4197774d26e
5b5cc6afe4d2b4197774d26e- 1Amino acidstrue
- 2Nucleotidesfalse
- 3Disaccharidesfalse
- 4Chaperonesfalse
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Answer : 1. "Amino acids"
Explanation :
Answer: A) Amino acids Explanation: Proteins are long chains of Amino acids. That is in brief, Amino acids are the monomers of Proteins. Amino acids are compounds which contain both an amino group and a carboxylic group. Proteins are made up of 20 essential amino acids. Monomer means a small molecule of an organic substance i.e, building block in general.
Q: Find which of the two conclusions I and II given below is/are definitely true from the the given statements. Statements: I > W > T > N, I = F = G = C Conclusions: I. W > I II. C > N 983 05b5cc6bde4d2b4197774d933
5b5cc6bde4d2b4197774d933- 1Only Conclusion I is truefalse
- 2Only Conclusion II is truetrue
- 3Both conclusions I & II are truefalse
- 4Neither conclusion I nor II is truefalse
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Answer : 2. "Only Conclusion II is true"
Explanation :
Answer: B) Only Conclusion II is true Explanation: From the given Statements : 1. I > W > T > N 2. F = G = C Conclusions are : I. W > I (False) II. C > N (True)
Q: Who has been appointed as the Election Commissioner of India ? 982 05b5cc6c8e4d2b4197774df19
5b5cc6c8e4d2b4197774df19- 1S. Y. Quraishifalse
- 2Sunil Aroratrue
- 3H. S. Brahmafalse
- 4Nasim Zaidifalse
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Answer : 2. "Sunil Arora"
Explanation :
Answer: B) Sunil Arora Explanation:
Q: Simplify the following : 4 15 × 3 13 + ? = 20% of 120 980 05b5cc6a8e4d2b4197774ce71
5b5cc6a8e4d2b4197774ce71- 110true
- 224false
- 336false
- 440false
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Answer : 1. "10"
Explanation :
Answer: A) 10 Explanation: Given equation can be written as 215 x 103 + ? = 24=> 14 + ? = 24=> ? = 24 - 14=> ? = 10
Q: Which of the following is Not a Greenhouse Gas? 980 05b5cc6ade4d2b4197774d12a
5b5cc6ade4d2b4197774d12a- 1Oxygentrue
- 2Methanefalse
- 3Nitrous Oxidefalse
- 4Carbondioxidefalse
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Answer : 1. "Oxygen"
Explanation :
Answer: A) Oxygen Explanation: A greenhouse gas is a gas in an atmosphere that absorbs and emits radiant energy within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. Carbon dioxide is a main greenhouse gas, found in car exhaust pipes.Methane and nitrous oxide is another type of greenhouse gas. Oxygen is the only clean gas out there because we need it to survive. Therefore, the only gas that is not a greenhouse gas is Oxygen.