IIT JEE Practice Question and Answer
8Q: Work done in a free expansion process is 991 05b5cc62fe4d2b4197774b990
5b5cc62fe4d2b4197774b990- 1Minimunfalse
- 20true
- 3Maximumfalse
- 4None of the abovefalse
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Answer : 2. "0"
Explanation :
Answer: B) 0 Explanation: No work done as there is no external external pressure in free expansion. Hence, Work done in a free expansion process is Zero.
Q: Oxidation Number of 'S' in H2SO4? 990 05b5cc6b3e4d2b4197774d491
5b5cc6b3e4d2b4197774d491- 1+6true
- 2+2false
- 3-6false
- 4-2false
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Answer : 1. "+6"
Explanation :
Answer: A) +6 Explanation: In H2SO4, Hydrogen has a charge of +2, with each hydrogen has +1. Oxygen has a charge of -8, with each oxugen has -2. Total charge = (2 - 8) = -6 Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.
Q: Which public sector bank has tied up with Tirumala Milk Products for providing loans to dairy farmers ? 989 05b5cc6d5e4d2b4197774e624
5b5cc6d5e4d2b4197774e624- 1Axis Bankfalse
- 2ICICI Bankfalse
- 3State Bank Of Indiatrue
- 4HDFC Bankfalse
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Answer : 3. "State Bank Of India"
Explanation :
Answer: C) State Bank Of India Explanation: The State Bank of India (SBI) has tied-up with Tirumala Milk Products to provide loans to dairy farmers who supply milk to the latter. As per the scheme for financing dairy units, SBI offers loans for construction of shed, and purchase of milch animals, milking machine, and chaff cutter. Apart from this, the bank also provides loans to dairy societies for modernisation and creation of infrastructure such as purchase of automatic milk collection system, purchase of transport vehicles and bulk chilling unit. The Tirumala Milk Products is a South- based company, which was acquired by France-based Groupe Lactalis in 2014.
Q: A man has only 20-paise and 25-paise coins in a bag. If he has 50 coins in all totaling to Rs.10.25, then the number of 20-paise coins is 988 05b5cc73ae4d2b4197774f8c4
5b5cc73ae4d2b4197774f8c4- 142false
- 245true
- 338false
- 436false
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Answer : 2. "45"
Explanation :
Answer: B) 45 Explanation: Let number of 20 ps coins = x and number of 25 ps coins = y Given total coins in the bag = 50 x + y = 50.......(1) But the total money in the bag = Rs. 10.25 0.20x + 0.25y = 10.25 20x + 25y = 1025.........(2) Now multiplying (1) by 25 we get 25x+25y=1250.............(3) By solving (2) and (3) 20x + 25y = 1025; => x = 45; Then, the no. of 20 ps coins are 45.
Q: According to a survey, which country has become the second largest smartphone market in the world? 988 05b5cc6bfe4d2b4197774da92
5b5cc6bfe4d2b4197774da92- 1Japanfalse
- 2Chinafalse
- 3Indiatrue
- 4USAfalse
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Answer : 3. "India"
Explanation :
Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.
Q: A lady took loan from a bank at the rate of 12% p.a. simple interest. After 3 years she had to pay Rs. 5400 interest only for the period. The principal amount borrowed by her was : 987 05b5cc6dbe4d2b4197774e904
5b5cc6dbe4d2b4197774e904- 1Rs. 15,000true
- 2Rs. 1,50,000false
- 3Rs. 1500false
- 4Rs. 1,62,000false
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Answer : 1. "Rs. 15,000"
Explanation :
Answer: A) Rs. 15,000 Explanation: Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.
Q: Long Sightedness means 987 05b5cc60ae4d2b4197774b59b
5b5cc60ae4d2b4197774b59b- 1near images are blurrytrue
- 2far images are blurryfalse
- 3Both A & Bfalse
- 4None of the abovefalse
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Answer : 1. "near images are blurry"
Explanation :
Answer: A) near images are blurry Explanation: Long sightedness is a common vision condition in which nearby objects are blurry. In this situation, the person with this condition of the eye where the curvature of the cornea is flat or the axial length of the eyeball is short. When light enters the eye, it does not focus directly on the retina, but focuses beyond the retina. This causes near images to appear out of focus and blurred. Long sightedness is also called hyperopia, and sometimes presbyopia.
Q: Which Temple has been awarded the ‘most visited place of the world’ by 'World Book of Records' (WBR)? 987 05b5cc6bde4d2b4197774d91f
5b5cc6bde4d2b4197774d91f- 1Vaishnodevi templefalse
- 2Golden Templetrue
- 3Meenakshi Templefalse
- 4Rawli Maharaj Templefalse
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Answer : 2. "Golden Temple"
Explanation :
Answer: B) Golden Temple Explanation: WBR that is World Book of Records, the London based organization that focuses on maintaining and cataloging the world records has awarded the title of 'Most visited place in the World' to the famous Golden Temple. This holy Shrine has recorded quite an uplift after the successful Heritage street project carried out by the Amritsar department. Sri Harmandir Sahib, also known as Golden Temple and the Darbar Sahib, is the holiest Gurdwara and the most important pilgrimage site of Sikhism. It is located in the city of Amritsar, Punjab, India.