IIT JEE Practice Question and Answer
8Q: On dividing a number by 96, we get 271 as quotient and 0 as remainder. On dividing the same number by 95, what will be the remainder ? 1587 05b5cc6dde4d2b4197774e9ce
5b5cc6dde4d2b4197774e9ce- 187false
- 259false
- 392false
- 481true
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Answer : 4. "81"
Explanation :
Answer: D) 81 Explanation: Number = 271 x 96 + 0 = 26016 => 95) 26016 (273 25935 -------- 81 Required number = 81.
Q: What belongs to you but is used more by others? 1587 05b5cc63de4d2b4197774bb14
5b5cc63de4d2b4197774bb14- 1Clothesfalse
- 2Cosmeticsfalse
- 3Shoesfalse
- 4Nametrue
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Answer : 4. "Name"
Explanation :
Answer: D) Name Explanation: Yep! It's your NAME that belongs to you but is used more by others than you.
Q: Plant cells perform photosynthesis, which occurs in the 1587 05b5cc694e4d2b4197774c4c1
5b5cc694e4d2b4197774c4c1- 1Nucleusfalse
- 2Mitochondriafalse
- 3Cytoplasmfalse
- 4Chloroplaststrue
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Answer : 4. "Chloroplasts"
Explanation :
Answer: D) Chloroplasts Explanation: Photosynthesis takes place inside plant cells in small things called chloroplasts. Chloroplasts contain a green substance called chlorophyll and this absorbs the light energy needed to make photosynthesis happen.
Q: In the expansion phase of a business cycle 1585 05b5cc662e4d2b4197774be7a
5b5cc662e4d2b4197774be7a- 1economy moves from peak to troughfalse
- 2economy moves from contraction to peakfalse
- 3economy moves from trough to peaktrue
- 4economy moves from trough to troughfalse
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Answer : 3. "economy moves from trough to peak"
Explanation :
Answer: C) economy moves from trough to peak Explanation: Business cycles are identified as having four distinct phases: 1. Expansion, 2. Peak, 3. Contraction, and 4. Trough. Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery. An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.
Q: Which best describes transformation in bacteria? 1585 05b5cc65ee4d2b4197774be5f
5b5cc65ee4d2b4197774be5f- 1Bacteria take DNA from their environment.true
- 2Bacteria inject DNA into another cell.false
- 3Bacteria lie dormant for many weeks.false
- 4Bacteria transfer DNA with a bacteriophage.false
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Answer : 1. "Bacteria take DNA from their environment."
Explanation :
Answer: A) Bacteria take DNA from their environment. Explanation: "Bacteria take DNA from their environment" is what best describes transformation in bacteria.
Q: Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 m x 5 m when 10% of its volume is occupied by concrete ? 1584 05b5cc6eee4d2b4197774ef16
5b5cc6eee4d2b4197774ef16- 16000true
- 25400false
- 33800false
- 44700false
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Answer : 1. "6000"
Explanation :
Answer: A) 6000 Explanation: Let 'B' be the nuber of bricks. => 10 x 4/100 x 5 x 90/100 = 25/100 x 15/100 x 8/100 x B => 10 x 20 x 90 = 15 x 2 x B => B = 6000
Q: What is the difference between the compound interests on Rs. 5000 for 11⁄2 years at 4% per annum compounded yearly and half-yearly? 1584 05b5cc6ace4d2b4197774d08c
5b5cc6ace4d2b4197774d08c- 1Rs. 1.80false
- 2Rs. 2.04true
- 3Rs. 3.18false
- 4Rs. 4.15false
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Answer : 2. "Rs. 2.04"
Explanation :
Answer: B) Rs. 2.04 Explanation: Compound Interest for 1 1⁄2 years when interest is compounded yearly = Rs.(5304 - 5000) Amount after 11⁄2 years when interest is compounded half-yearly Compound Interest for 1 1⁄2 years when interest is compounded half-yearly = Rs.(5306.04 - 5000) Difference in the compound interests = (5306.04 - 5000) - (5304 - 5000)= 5306.04 - 5304 = Rs. 2.04
Q: Who has won the men's shot put world title with a stunning series of throws climaxing with a best of 22.03 meters ? 1583 05b5cc6cce4d2b4197774e14e
5b5cc6cce4d2b4197774e14e- 1Randy Matsonfalse
- 2Tomas Walshtrue
- 3Ryan Crouserfalse
- 4Randy Barnesfalse
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Answer : 2. "Tomas Walsh"
Explanation :
Answer: B) Tomas Walsh Explanation: