IIT JEE Practice Question and Answer
8Q: A, B and C started a company where their initial investments was in the ratio of 2:3:4. At the end of 6 months, A invested an amount such that his total capital became equal to B's initial capital investment. If the annual profit of B is Rs. 3000 then what is the total profit of the company ? 1653 05b5cc6cce4d2b4197774e138
5b5cc6cce4d2b4197774e138- 1Rs. 9500true
- 2Rs. 10600false
- 3Rs. 7500false
- 4Rs. 8900false
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Answer : 1. "Rs. 9500"
Explanation :
Answer: A) Rs. 9500 Explanation: Given initial investments ratio = 2 : 3 : 4 At the end of 6 months, A invested an amount such that his total capital became equal to B's initial capital investment i.e, upto 6 months A's investment is 2 and after 6 months his invstment is 3 = B's investment Now, Ratio of investment for one year => A : B : C = (2×6 + 3×6) : (3×12) : (4×12) = 30 : 36 : 48 = 5 : 6 : 8 But given B's profit = 3000 => 6 ratio = 3000 For total => 19 ratio = Rs. 9500.
Q: Statement: There was a spurt in criminal activities in the city during the recent festival season.Courses of action:a. The police should immediately investigate into the causes of this increase.b. In future the police should take adequate precaution to avoid recurrence of such situation during festival.c. The known criminals should be arrested before any such season. 1652 05b5cc754e4d2b4197774fbbe
5b5cc754e4d2b4197774fbbe- 1Both a and b followstrue
- 2Only c followsfalse
- 3Only a followsfalse
- 4Both b and c followsfalse
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Answer : 1. "Both a and b follows"
Explanation :
Answer: A) Both a and b follows Explanation: The police ought to find out the lackenings in existing security arrangements and make up for these inadequacies to strengthen security and thus prevent criminal activities in the forthcoming festival. So, both a and b follow. Arresting the known criminals does not ensure safety, for a novice can also indulge in crime. So, c does not follow.
Q: The term "simple carbohydrates" refers to 1652 05b5cc642e4d2b4197774bb77
5b5cc642e4d2b4197774bb77- 1polysaccharidesfalse
- 2monosaccharides and disaccharidestrue
- 3starch and glycogenfalse
- 4dietary fiberfalse
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Answer : 2. "monosaccharides and disaccharides"
Explanation :
Answer: B) monosaccharides and disaccharides Explanation: Simple carbohydrates are also called as Simple sugars. Monosaccharides and Disaccharides refers to simple carbohydrates.
Q: Tetraethyl lead is used as 1652 05b5cc6afe4d2b4197774d226
5b5cc6afe4d2b4197774d226- 1Fire extinguisherfalse
- 2Gasoline additivetrue
- 3Mosquito repellentfalse
- 4Pain killerfalse
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Answer : 2. "Gasoline additive"
Explanation :
Answer: B) Gasoline additive Explanation: Tetraethyl lead is a highly toxic compound used as a gasoline additive. Tetraethyl lead abbreviated as TEL, is an organo lead compound with the formula (CH3CH2)4Pb. It is a petro-fuel additive which in turn caused increased vehicle performance. This is also used as an antiknock agent in gasoline and jet fuels. Tetraethyl lead is absorbed rapidly by the skin, the lungs, and the gastrointestinal tract. It is converted to triethyl lead, which might be responsible for its toxicity.
Q: Find the wrong number in the given series :26, 20, 16, 11, 8, 6, 5 1651 05b5cc6cee4d2b4197774e22d
5b5cc6cee4d2b4197774e22d- 15false
- 226false
- 311false
- 416true
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Answer : 4. "16"
Explanation :
Answer: D) 16 Explanation: 26 - 6 = 20 20 - 5 = 15 15 - 4 = 11 11 - 3 = 8 8 - 2 = 6 6 - 1 = 5 Therefore, 16 is wrong number.
Q: If three eighth of a number is 141. What will be the approximately value of 32.08% of this number ? 1651 05b5cc6ebe4d2b4197774ee73
5b5cc6ebe4d2b4197774ee73- 1101false
- 2112false
- 3104false
- 4120true
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Answer : 4. "120"
Explanation :
Answer: D) 120 Explanation: K x 3/8 = 141 => K = 376 376 x 32.08/100 = 120
Q: How many medals has been bagged by Indian athletes at World Dwarf Games 2017 ? 1650 05b5cc6cbe4d2b4197774e0b8
5b5cc6cbe4d2b4197774e0b8- 134false
- 237true
- 339false
- 440false
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Answer : 2. "37"
Explanation :
Answer: B) 37 Explanation:
Q: Who did not have an important role in the Swadeshi Movement ? 1650 05b5cc6cae4d2b4197774e072
5b5cc6cae4d2b4197774e072- 1Muslimsfalse
- 2Studentsfalse
- 3Womenfalse
- 4Peasantstrue
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Answer : 4. "Peasants"
Explanation :
Answer: D) Peasants Explanation:

