IIT JEE Practice Question and Answer
8Q: Vikram Sarabhai Space Centre is located at 1818 05b5cc6b6e4d2b4197774d5b2
5b5cc6b6e4d2b4197774d5b2- 1Thiruvananthapuramtrue
- 2Punefalse
- 3Sriharikotafalse
- 4Ahmedabadfalse
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Answer : 1. "Thiruvananthapuram"
Explanation :
Answer: A) Thiruvananthapuram Explanation: Vikram Sarabhai Space Centre is located at Thiruvananthapuram, Kerala. This is the lead centre of ISRO responsible for the design and development of launch vehicle technology focusing on rocket and space vehicles for India's satellite programme.
Q: Atmospheric pressure exerted on earth is due to 1818 05b5cc651e4d2b4197774bd28
5b5cc651e4d2b4197774bd28- 1gravitational pulltrue
- 2rotation of earthfalse
- 3revolution of earthfalse
- 4uneven heating of earthfalse
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Answer : 1. "gravitational pull"
Explanation :
Answer: A) gravitational pull Explanation: The atmospheric pressure at the surface of the Earth is due to gravitational pull of the earth and is about 14.7 psi. That means that the weight of a column of air which has a cross section of 1 square inch and which stretches from the surface of the Earth to space is 14.7 pounds.
Q: Which colony was farthest north? 1818 05b5cc62fe4d2b4197774b959
5b5cc62fe4d2b4197774b959- 1Massachusettstrue
- 2Virginiafalse
- 3Georgiafalse
- 4New Hampshirefalse
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Answer : 1. "Massachusetts"
Explanation :
Answer: A) Massachusetts Explanation: There are 13 colonies and are ruled by England. The farthest north colony - Massachusetts The farthest south colony - Georgia The oldest colony - Virginia The colony between the 2 parts of Massachusetts - New Hampshire
Q: Which of the following has become the first country to grant citizenship to a Robot ? 1818 05b5cc6c0e4d2b4197774dac6
5b5cc6c0e4d2b4197774dac6- 1Saudi Arabiatrue
- 2New Zealandfalse
- 3Chinafalse
- 4Japanfalse
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Answer : 1. "Saudi Arabia"
Explanation :
Answer: A) Saudi Arabia Explanation:
Q: Which of the following does not occur during Mitosis? 1817 05b5cc6abe4d2b4197774cfdb
5b5cc6abe4d2b4197774cfdb- 1spindle formationfalse
- 2condensation of the chromosomesfalse
- 3breakdown of the nuclear membranefalse
- 4replication of the DNAtrue
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Answer : 4. "replication of the DNA"
Explanation :
Answer: D) replication of the DNA Explanation: Replication of the DNA does not occur during Mitosis.
Q: Which country has successfully launched the world's smallest rocket to carry tiny satellite into orbit? 1817 05b5cc6afe4d2b4197774d1d8
5b5cc6afe4d2b4197774d1d8- 1Indiafalse
- 2Russiafalse
- 3Japantrue
- 4Australiafalse
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Answer : 3. "Japan"
Explanation :
Answer: C) Japan Explanation: Japan's - Japan Aerospace Exploration Agency (JAXA) has successfully launched the world's smallest rocket with the ability to put a tiny satellite into orbit. Rocket - SS-520 which was pnce failed in 2017 lifted off from the Space Center carrying a microsatellite TRICOM-1R, a three-unit CubeSat weighing about 3 kilograms. The CubeSat will now be used to collect images of the Earth's surface via multiple cameras.
Q: Second & fourth Saturdays and every Sunday is a holiday. How many working days will be there in a month of 31 days beginning on a Friday ? 1817 05b5cc6d0e4d2b4197774e338
5b5cc6d0e4d2b4197774e338- 124true
- 223false
- 322false
- 425false
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Answer : 1. "24"
Explanation :
Answer: A) 24 Explanation: Given that the month begins on a Friday and has 31 days Sundays = 3rd, 10th, 17th, 24th, 31st=> Total Sundays = 5 Every second & fourth Saturday is holiday. 2nd & 4th Saturday in every month = 2 Total days in the month = 31 Total working days = 31 - (5 + 2) = 24 days.
Q: An amount doubles itself in 15 years. what is the rate of interest ? 1817 05b5cc711e4d2b4197774f3cd
5b5cc711e4d2b4197774f3cd- 17.85 %false
- 29.41%false
- 36.66 %true
- 44.21 %false
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Answer : 3. "6.66 %"
Explanation :
Answer: C) 6.66 % Explanation: Let the principle be Rs. PAs the amount double itself the interest is Rs. P tooSo P = P x r x 15/100=> r = 100/15 = 20/3 % = 6.66 %.

