IIT JEE Practice Question and Answer
8Q: Which of the following is an example of representative money? 2021 05b5cc688e4d2b4197774c336
5b5cc688e4d2b4197774c336- 1Saltfalse
- 2A tract of landfalse
- 3Goldfalse
- 4A checktrue
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Answer : 4. "A check"
Explanation :
Answer: D) A check Explanation: Representative money is an item such as a token or piece of paper that has no intrinsic value but can be exchanged on demand for a commodity that does have intrinsic value, such as gold, silver, copper,... Hence, a Check is an example of representative money.
Q: A colour blind person has difficulty in distinguishing which of the two colours ? 2020 05b5cc6cce4d2b4197774e15d
5b5cc6cce4d2b4197774e15d- 1Green & Redtrue
- 2White & Redfalse
- 3Blue & Redfalse
- 4Red & Blackfalse
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Answer : 1. "Green & Red"
Explanation :
Answer: A) Green & Red Explanation:
Q: The simple interest on a sum of money will be Rs.600 after 10 years. If the principal is trebled after 5 years what will be the total interest at the end of the tenth year ? 2020 05b5cc6e1e4d2b4197774ebf7
5b5cc6e1e4d2b4197774ebf7- 1Rs. 1100false
- 2Rs. 1200true
- 3Rs. 1000false
- 4Rs. 1840false
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Answer : 2. "Rs. 1200"
Explanation :
Answer: B) Rs. 1200 Explanation: P --- 10 ----- 600 P --- 5 ----- 300 3P --- 5 ----- 900 __________ 1200
Q: 14 persons are seated around a circular table. Find the probability that 3 particular persons always seated together. 2020 05b5cc6b6e4d2b4197774d5b8
5b5cc6b6e4d2b4197774d5b8- 111/379false
- 221/628false
- 324/625true
- 426/247false
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Answer : 3. "24/625"
Explanation :
Answer: C) 24/625 Explanation: Total no of ways = (14 – 1)! = 13! Number of favorable ways = (12 – 1)! = 11! So, required probability = 11!×3!13! = 39916800×66227020800 = 24625
Q: The Jigme Dorji National Park is located in which country ? 2019 05b5cc6d5e4d2b4197774e61f
5b5cc6d5e4d2b4197774e61f- 1Myanmarfalse
- 2Bhutantrue
- 3Indiafalse
- 4Nepalfalse
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Answer : 2. "Bhutan"
Explanation :
Answer: B) Bhutan Explanation: The Jigme Dorji National Park is the second-largest National Park of Bhutan. The park provides sanctuary for 37 known species of mammals including several endangered, threatened or vulnerable species, such as the takin, snow leopard, clouded leopard, Bengal tiger, bharal or Himalayan blue sheep, etc. It is also home to the Indian leopard, serow, sambar, barking deer, goral, marmot, pika and more than 300 species of birds. It is also the only park in Bhutan where the national animal (takin), flower (blue poppy), bird (raven) and tree (cypress) exist together.
Q: Where do the greenhouse gases come from? 2018 05b5cc64ae4d2b4197774bc35
5b5cc64ae4d2b4197774bc35- 1Agriculturefalse
- 2Land-use changefalse
- 3Fosssil fuelsfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Most of the emissions of greenhouse gases (GHG) come primarily from burning fossil fuels (coal, hydrocarbon gas liquids, natural gas, and petroleum) for energy use and the major greenhouse gas is of course carbon dioxide (CO2) which comes from burning fossil fuels and land-use change. But methane (CH4) and nitrous oxide (N2O), which mostly come from agriculture and waste, are also significant GHGs and shouldn't be discounted.
Q: If a student walks at the rate of 4 mts/min from his home, he is 4 minutes late for school, if he walks at the rate of 6 mts/min he reaches half an hour earlier. How far is his school from his home ? 2017 05b5cc764e4d2b4197774fd80
5b5cc764e4d2b4197774fd80- 1100 mtsfalse
- 296 mtsfalse
- 398 mtstrue
- 4120 mtsfalse
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Answer : 3. "98 mts"
Explanation :
Answer: C) 98 mts Explanation: Let the distance between home and school is 'x'.Let actual time to reach be 't'.Thus, x/4 = t + 4 ---- (1)and x/6 = t - 30 -----(2)Solving equation (1) and (2)=> x = 98 mts.
Q: Which city has topped the list of most expensive cities for expatriates, according to Mercer’s 2017 Cost of Living Survey ? 2017 05b5cc6d4e4d2b4197774e56e
5b5cc6d4e4d2b4197774e56e- 1Zurichfalse
- 2Laundatrue
- 3Germanyfalse
- 4Toykofalse
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Answer : 2. "Launda"
Explanation :
Answer: B) Launda Explanation: Luanda, the capital of Angola, has topped the list of most expensive cities for expatriates, according to Mercer’s 23rd annual Cost of Living Survey. Hong Kong has acquired 2nd position, followed by Tokyo, Zurich, Singapore, Seoul and Geneva. From India, Mumbai is the most expensive city for expatriates that has ranked 57th on the list, followed by New Delhi (99), Chennai (135), Bangalore (166) and Kolkata (184). The Mercer’s survey includes 209 cities across five continents. The world’s least expensive cities for expatriates, according to Mercer’s survey, are Tunis (209), Bishkek (208) and Skopje (206). Mercer’s authoritative survey is one of the world’s most comprehensive, and is designed to help multinational companies and governments determine compensation allowances for their expatriate employees.

