IIT JEE Practice Question and Answer
8Q: When the price of whear was increased by 32%, a family reduced its consumption in such a way that the expenditure on wheat was only 10% more than before. If 30 kg per month were consumed before, find the new monthly consumption of family? 2148 05b5cc61ee4d2b4197774b758
5b5cc61ee4d2b4197774b758- 127 kgsfalse
- 225 kgstrue
- 324 kgsfalse
- 421 kgsfalse
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Answer : 2. "25 kgs"
Explanation :
Answer: B) 25 kgs Explanation: Initial wheat per kg cost be Rs. 100 Then, monthly expenditure of the family = 30 x 100 = 3000 After increase in cost, Let P be new monthly consumption of family. P x 132 = 110/100 x 3000 => P = 25 kg.
Q: Which Temple has been named as the cleanest iconic place in India under the 'Swachhata Hi Seva' Programme ? 2148 05b5cc6c1e4d2b4197774db7d
5b5cc6c1e4d2b4197774db7d- 1Vaishno Devi Templefalse
- 2Tirupathi Templefalse
- 3Golden Templefalse
- 4Meenakshi Templetrue
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Answer : 4. "Meenakshi Temple"
Explanation :
Answer: D) Meenakshi Temple Explanation: The Meenakshi Temple in Tamil Nadu's Madurai has been named the cleanest iconic place in India under the 'Swachhata Hi Seva' programme.
Q: Find the odd one out of the series ? 35, 48, 54, 63, 81, 105 2148 05b5cc6dae4d2b4197774e8c3
5b5cc6dae4d2b4197774e8c3- 163false
- 248false
- 335true
- 481false
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Answer : 3. "35"
Explanation :
Answer: C) 35 Explanation: 48, 54, 63, 81 and 105 are divisible by 3 but not 35.
Q: (3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k ? 2147 05b5cc74fe4d2b4197774fafe
5b5cc74fe4d2b4197774fafe- 14false
- 21false
- 35true
- 43false
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Answer : 3. "5"
Explanation :
Answer: C) 5 Explanation: (3x + 2) (2x - 5) = ax2+kx+n ...............(1) But (3x + 2)(2x - 5) = 6x2-11x-10........(2) so by comparing (1) & (2), we get a= 6, k= -11 , n= -10 (a - n + k) = 6 + 10 - 11 = 5.
Q: In which year was the Supreme Court of India established? 2147 05b5cc78fe4d2b419777503a3
5b5cc78fe4d2b419777503a3- 11951false
- 21949false
- 31950true
- 41947false
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Answer : 3. "1950"
Explanation :
Answer: C) 1950 Explanation: The Supreme Court of India was established in the year 1950.
Q: Most commonly used bleaching agent is 2146 05b5cc6a2e4d2b4197774cb17
5b5cc6a2e4d2b4197774cb17- 1Chlorinetrue
- 2Alcoholfalse
- 3Carbon dioxidefalse
- 4Sodium Chloridefalse
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Answer : 1. "Chlorine"
Explanation :
Answer: A) Chlorine Explanation: Chlorine is the most commonly used bleaching agent. Bleaching agents are compounds which are used to remove color from substances such as textiles. A bleaching agent is a material that lightens or whitens a substrate through the chemical reaction. The bleaching reactions usually involve oxidative or reductive processes that degrade color systems.
Q: Fuse Wire is Made of? 2146 05b5cc6b4e4d2b4197774d4f7
5b5cc6b4e4d2b4197774d4f7- 1an alloy of Tin and Leadtrue
- 2Nickelfalse
- 3Copperfalse
- 4an alloy of Nickel and Leadfalse
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Answer : 1. "an alloy of Tin and Lead"
Explanation :
Answer: A) an alloy of Tin and Lead Explanation: Fuse Wire is Made of an alloy of Tin and Lead. If too high a current flows, the element rises to a higher temperature and either directly melts, or else melts a soldered joint within the fuse, opening the circuit. Thefuse element is made of an alloy of Tin and Lead to provide stable and predictable characteristics.
Q: Statements : Government has spoiled many top ranking financial institutions by appointing bureaucrats as Directors of these institutions. Conclusions : a) Government should appoint Directors of the financial institutes taking into consideration the expertise of the person in the area of finance.b) The Director of the financial institute should have expertise commensurate with the financial work carried out by the institute. 2146 05b5cc715e4d2b4197774f42c
5b5cc715e4d2b4197774f42c- 1Only a followsfalse
- 2Only b followsfalse
- 3Both a & b followstrue
- 4Neither a nor b followsfalse
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Answer : 3. "Both a & b follows"
Explanation :
Answer: C) Both a & b follows Explanation: According to the statement, Government has spoiled financial institutions by appointing bureaucrats as Directors. This means that only those persons should be appointed as Directors who are experts in finance and are acquainted with the financial work of the institute. So, both a and b follows.

