IIT JEE Practice Question and Answer
8Q: The average marks of a student in 7 subjects is 85. His average marks in 6 subjects except English is 83. What is his marks in English ? 1447 05b5cc6c2e4d2b4197774dbf5
5b5cc6c2e4d2b4197774dbf5- 197true
- 298false
- 392false
- 493false
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Answer : 1. "97"
Explanation :
Answer: A) 97 Explanation: Marks in English = 85×7 – 83×6 = 595 – 498 = 97
Q: A contractor undertake to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ? 1445 05b5cc6cce4d2b4197774e16c
5b5cc6cce4d2b4197774e16c- 164false
- 262false
- 358false
- 456true
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Answer : 4. "56"
Explanation :
Answer: D) 56 Explanation: Days remaining 124 – 64 = 60 days Remaining work = 1 - 2/3 = 1/3 Let men required men for working remaining days be 'm' So men required = (120 x 64)/2 = (m x 60)/1 => m = 64 Men discharge = 120 – 64 = 56 men.
Q: Synonym of Trustworthy? 1444 05b5cc69de4d2b4197774c8d7
5b5cc69de4d2b4197774c8d7- 1Tenacityfalse
- 2Insolentfalse
- 3Resolutefalse
- 4Reliabletrue
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Answer : 4. "Reliable"
Explanation :
Answer: D) Reliable Explanation:
Q: Which compound contains ionic bonds? 1444 05b5cc639e4d2b4197774baac
5b5cc639e4d2b4197774baac- 1CaOtrue
- 2CO2false
- 3NO2false
- 4NOfalse
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Answer : 1. "CaO"
Explanation :
Answer: A) CaO Explanation: An ionic bond is a chemical bond between two atoms in which one atom seems to donate its electron to another atom. Here in the given compounds, the compound that contains ionic bond is CaO, Calcium oxide.
Q: The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number ? 1444 05b5cc6dbe4d2b4197774e94b
5b5cc6dbe4d2b4197774e94b- 1270true
- 21270false
- 3350false
- 4720false
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Answer : 1. "270"
Explanation :
Answer: A) 270 Explanation: Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
Q: A certain amount is divided among P, Q and R in the ratio of 3 : 7 : 6 respectively. If the difference between share of P and Q is Rs. 2700, what is R's share? 1443 05b5cc6bfe4d2b4197774d9ec
5b5cc6bfe4d2b4197774d9ec- 1Rs. 4050true
- 2Rs. 2121false
- 3Rs. 5040false
- 4Rs. 3550false
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Answer : 1. "Rs. 4050"
Explanation :
Answer: A) Rs. 4050 Explanation: Let the ratio amount be 'p' 7p - 3p = 2700 4p = 2700 p = 675 R's Share = 675 × 6 = Rs. 4050
Q: What is the number that should come in the place of question mark ? 1050 420 168 67.2 ? 1442 05b5cc741e4d2b4197774f9c2
5b5cc741e4d2b4197774f9c2- 119.11false
- 214.25false
- 310.752false
- 426.88true
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Answer : 4. "26.88"
Explanation :
Answer: D) 26.88 Explanation: Given series follows the rule of 1050/2.5 = 420420/2.5 = 168168/2.5 = 67.2so 67.2/2.5 = 26.88
Q: In the following question four words are given of which two words are most nearly the same or opposite in meaning. Find the two words. ( 1441 05b5cc6c4e4d2b4197774dc9a
5b5cc6c4e4d2b4197774dc9a- 1Soft (false
- 2Fatiguing (true
- 3Discordant (false
- 4Forcefalse
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Answer : 2. "Fatiguing ("
Explanation :
Answer: B) A-C Explanation: Meaning of Discordant = Harsh That implies Harsh opposite is soft.