IIT JEE Practice Question and Answer
8Q: which of the following statements are correct 1631 05b5cc6b8e4d2b4197774d65f
5b5cc6b8e4d2b4197774d65f- 1Sir Richard Arkwright - Father of industrial revolutionfalse
- 2Michael Faraday - Discovered Benzene and invented Bunsen Burnerfalse
- 3Thomas Alva Edison - phonograph and motion picture camerafalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Inventors and their Inventions :: Sir Richard Arkwright - Father of industrial revolution. Michael Faraday - Discovered Benzene and invented Bunsen Burner. Thomas Alva Edison - Invented Phonograph and motion picture camera.
Q: In following number series only one number is wrong. Find out that wrong or odd number in the series? 6, 78, 858, 7722, 54055, 270270 1631 05b5cc6bce4d2b4197774d8bb
5b5cc6bce4d2b4197774d8bb- 1270270false
- 254055true
- 37722false
- 4858false
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Answer : 2. "54055"
Explanation :
Answer: B) 54055 Explanation: Here the given series follows a pattern that, multiplying the number with odd numbers in decreasing order starting with 13. That is, 6 × 13 = 78 65 × 11 = 858 858 × 9 = 7722 7722 × 7 = 54054 54054 × 5 = 270270 Hence, the wrong number is 54055
Q: If L exceeds K by 30%, then K is less than L by ? 1629 05b5cc6f8e4d2b4197774f05e
5b5cc6f8e4d2b4197774f05e- 114 2/5 %false
- 223 1/3 %true
- 320 %false
- 416 %false
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Answer : 2. "23 1/3 %"
Explanation :
Answer: B) 23 1/3 % Explanation: K = 100 L = 130130------ 30100------- ? => 23 1/13 %
Q: What country did we fight during the Revolutionary War? 1629 05b5cc6aae4d2b4197774cf84
5b5cc6aae4d2b4197774cf84- 1Pakistanfalse
- 2United States of Americafalse
- 3Englandtrue
- 4Germanyfalse
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Answer : 3. "England"
Explanation :
Answer: C) England Explanation: We fought against England in the Revolutionary War for Independence from the British rule.
Q: A myocardial infarction is a heart attack. 1629 05b5cc60ae4d2b4197774b587
5b5cc60ae4d2b4197774b587- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: True, the given statement that a myocardial infarction is a heart attack.
Q: R enter into a partnership in the ratio 2 : 3 : 5 . After 2 months, P increases his share 20% and Q by 10%. If the total profit at the end of one year is Rs 1,90,500, what amount will 'R' receive at the end of year as share in profit ? 1628 05b5cc6cbe4d2b4197774e0fe
5b5cc6cbe4d2b4197774e0fe- 1Rs. 90500false
- 2Rs. 87500false
- 3Rs. 88900false
- 4Rs. 90000true
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Answer : 4. "Rs. 90000"
Explanation :
Answer: D) Rs. 90000 Explanation: Ratio of investments for 1 year => (P : Q : R) = (2x2 + 2.4x10) : (3x2 + 3.3x10) : (5x12) => (P : Q : R) = 28 : 39 : 60 Now R share = 190500 x 60/127 = Rs. 90000.
Q: Who has been appointed by Flipkart as an in-charge of the newly acquired e-Bay India business ? 1628 05b5cc6cce4d2b4197774e158
5b5cc6cce4d2b4197774e158- 1Anil Gotetitrue
- 2S Aparnafalse
- 3Rajeev Kumarfalse
- 4Kalyan Krishnamurthyfalse
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Answer : 1. "Anil Goteti"
Explanation :
Answer: A) Anil Goteti Explanation:
Q: Metals are good conductors of electricity because 1628 05b5cc6a5e4d2b4197774ccd6
5b5cc6a5e4d2b4197774ccd6- 1The atoms are lightly packedfalse
- 2They contain free electronstrue
- 3They have high melting pointfalse
- 4All the abovefalse
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Answer : 2. "They contain free electrons"
Explanation :
Answer: B) They contain free electrons Explanation: Metal particles are held together by strong metallic bonds, which is why they have high melting and boiling points. The free electrons in metals can move through the metal, allowing metals to conduct electricity. Because the electrons in the atom's higher energy levels can separate from the atoms easily, they can be pulled out with very little energy. Because the molecular structure of the metal is such that 'free electrons' are free to move, thus being categorized as electrically conductive. For example, copper is used for electrical wiring because it is a good conductor of electricity.

