IIT JEE Practice Question and Answer
8Q: Google has introduced a new app named what that allows anybody to submit stories for and about their communities? 1045 05b5cc69ce4d2b4197774c873
5b5cc69ce4d2b4197774c873- 1Bulletintrue
- 2Allofalse
- 3FastReadfalse
- 4Google Expressfalse
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Answer : 1. "Bulletin"
Explanation :
Answer: A) Bulletin Explanation:
Q: What is the smallest unit that can evolve? 1045 05b5cc69de4d2b4197774c8d5
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Answer :
Explanation :
The population is the smallest unit of living organisms that can undergo evolution.
Q: The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number ? 1045 05b5cc6dbe4d2b4197774e94b
5b5cc6dbe4d2b4197774e94b- 1270true
- 21270false
- 3350false
- 4720false
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Answer : 1. "270"
Explanation :
Answer: A) 270 Explanation: Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
Q: What is formed by all the ecosystems of the earth? 1044 05b5cc69fe4d2b4197774ca2d
5b5cc69fe4d2b4197774ca2d- 1Biospheretrue
- 2Tropospherefalse
- 3Stratospherefalse
- 4Ionospherefalse
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Answer : 1. "Biosphere"
Explanation :
Answer: A) Biosphere Explanation: A biosphere is the sum of all the ecosystems established on planet Earth. An ecosystem is an area in which the plants and animals all interact to create a living environment. Therefore ecosystem is a smaller unit of earth, all ecosystems together form the earth.
Q: Can you find the next number in the sequence "0, 1, 4, 7, 8, 5, 2, 3, 6, 9, 9, 6, 3, 2, 5, 8, 7, 4, 1, 0, 0, …" ? 1044 05b5cc6fbe4d2b4197774f0a9
5b5cc6fbe4d2b4197774f0a9- 10false
- 21true
- 34false
- 47false
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Answer : 2. "1"
Explanation :
Answer: B) 1 Explanation: The pattern follows the palindrome sequence. Here the digits 0 1 4 7 8 5 8 3 6 9 9 6 3 8 5 8 7 4 1 0 0 1 4 7 ... So the next digit in the sequence is 1.
Q: In 1990 a person is 15 years old. In 2000 that same person is 5 years old. How can this be possible? 1044 05b5cc6b1e4d2b4197774d322
5b5cc6b1e4d2b4197774d322- Show Answer
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Answer :
Explanation :
It can be possible in only B.C. i.e, Before Christ. That was about 2000 years ago. Given In 1990 B.C = 2000 + 1990 = 3990 years ago, a person is 15 years Old => In 1995 B.C = 2000 + 1995 = 3995 years ago, the same person will be 10 years Old Therefore, In 2000 B.C = 2000 + 2000 = 4000 years ago, the same person will be 5 years Old.
Q: Who is the first richest person in India? 1044 05b5cc69ae4d2b4197774c787
5b5cc69ae4d2b4197774c787- 1Mukesh Ambanitrue
- 2Azim Premjifalse
- 3Dilip Shangvifalse
- 4Lakshmi Mittalfalse
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Answer : 1. "Mukesh Ambani"
Explanation :
Answer: A) Mukesh Ambani Explanation: According to 2018 January reports, Mukesh Ambani is the first richest person in India being 18th in the world, followed by Azim Premji and S.P. Hinduja in second and third places.
Q: Two letters are randomly chosen from the word TIME. Find the probability that the letters are T and M? 1043 05b5cc6ade4d2b4197774d10e
5b5cc6ade4d2b4197774d10e- 11/4false
- 21/6true
- 31/8false
- 44false
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Answer : 2. "1/6"
Explanation :
Answer: B) 1/6 Explanation: Required probability is given by P(E) = n(E)n(S) = 14C2 = 16