IIT JEE Practice Question and Answer
8Q: There are two examinations rooms P and Q. If 10 students are sent from P to Q, then the number of students in each room is the same. If 20 candidates are sent from Q to P, then the number of students in P is double the number of students in Q. The number of students in room Q is ? 1688 05b5cc720e4d2b4197774f61d
5b5cc720e4d2b4197774f61d- 1100false
- 270false
- 3120false
- 480true
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Answer : 4. "80"
Explanation :
Answer: D) 80 Explanation: If 'k' is number of students in P and 'l' is number of students in Q, then From the given conditions, we have=> k - 10 = l + 10 .......(1)=> k + 20 = 2(l - 20) ....(2) Solving these eqns, we get k = 100 and l = 80.Therefore, number of students in class Q is 80.
Q: What is the primary form of fat in the diet? 1688 05b5cc615e4d2b4197774b6e2
5b5cc615e4d2b4197774b6e2- 1Lipidsfalse
- 2Fattyacidsfalse
- 3Triglyceridestrue
- 4All of the abovefalse
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Answer : 3. "Triglycerides"
Explanation :
Answer: C) Triglycerides Explanation: Triglycerides are the primary form of dietary fat found in the body, and may contain a combination of three fatty acids: saturated fatty acids (SFAs), polyunsaturated fatty acids (PUFAs), or monounsaturated fatty acids (MUFAs).
Q: What does NPP stand for 1688 05b5cc69be4d2b4197774c7e9
5b5cc69be4d2b4197774c7e9- 1Nonprofit Partnershipfalse
- 2National Population Policyfalse
- 3Nobel Peace Prizefalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Some more NPP Acronym stands for NPP New Patriotic Party NPP Nuclear Power Plant NPP Notice of Privacy Practices NPP Non-Physician Practitioner NPP New Progressive Party NPP National Patriotic Party NPP Notice of Proposed Procurement NPP Neighbourhood Police Post (Singapore) NPP Non-Paged Pool (memory) NPP Nurse Practitioner in Psychiatry.
Q: What are the Multiples of 6 and the Common Multiples of 4 and 6? 1687 05b5cc6b1e4d2b4197774d303
5b5cc6b1e4d2b4197774d303- 112, 34, 42false
- 212, 18, 36,true
- 36, 4, 14false
- 44, 8, 16false
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Answer : 2. "12, 18, 36,"
Explanation :
Answer: B) 12, 18, 36, Explanation: The Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60. The Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60. The Common Multiples of 4 & 6 upto 60 numbers are given as 12, 24, 36, 48, 60.
Q: Rajitha invested 25% more than Santhosh. Santhosh invested 30% less than Raju, who invested Rs. 6,000. What is the ratio of the amount that Rajitha invested to the total amount invested by all of them together ? 1686 05b5cc736e4d2b4197774f850
5b5cc736e4d2b4197774f850- 125 : 114false
- 235 : 103true
- 315 : 108false
- 441 : 94false
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Answer : 2. "35 : 103"
Explanation :
Answer: B) 35 : 103 Explanation: Santhosh's investment = 6000 x 70/100 = Rs.4200Rajitha's investment = 4200 x 5/4 = Rs.5250Therefore, total amount invested = 6000 + 4200 + 5250 = Rs.15450.Required ratio = 5250 : 15450 = 35 : 103.
Q: Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is ? 1686 05b5cc6d7e4d2b4197774e6e2
5b5cc6d7e4d2b4197774e6e2- 142 secfalse
- 244 secfalse
- 346 secfalse
- 448 sectrue
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Answer : 4. "48 sec"
Explanation :
Answer: D) 48 sec Explanation: Relative speed = 60 + 90 = 150 km/hr. = 150 x 5/18 = 125/3 m/sec. Distance covered = 1.10 + 0.9 = 2 km = 2000 m. Required time = 2000 x 3/125 = 48 sec.
Q: Who has become the 1st woman player from Jharkhand who has been awarded Dhyan Chand Award 2017 ? 1686 05b5cc6c8e4d2b4197774df32
5b5cc6c8e4d2b4197774df32- 1Poonam Ranifalse
- 2Samurai Tetetrue
- 3Monika Malikfalse
- 4Navjot Kaurfalse
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Answer : 2. "Samurai Tete"
Explanation :
Answer: B) Samurai Tete Explanation: The Apex body for The national sport Hockey India pitched Jharkhand's Samurai Tete, former Team India skipper, for the Dhyan Chand Lifetime Achievement Award 2016. Sumrai Tete is a member of the India women's national field hockey team. She played with the team when it won the Gold at the Manchester 2002 Commonwealth Games.
Q: The element common to all Acids is 1686 05b5cc6afe4d2b4197774d23a
5b5cc6afe4d2b4197774d23a- 1Nitrogenfalse
- 2Oxygenfalse
- 3Hydrogentrue
- 4Carbonfalse
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Answer : 3. "Hydrogen"
Explanation :
Answer: C) Hydrogen Explanation: Hydrogen is the common element to all Acids. But every element which contains Hydrogen is not an Acid. Most of the acids also contain Oxygen.