IIT JEE Practice Question and Answer
8Q: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ? 1729 05b5cc6e1e4d2b4197774ebb6
5b5cc6e1e4d2b4197774ebb6- 17true
- 28false
- 39false
- 410false
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Answer : 1. "7"
Explanation :
Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7
Q: In a compound, chemical energy is contained in the 1729 05b5cc60ae4d2b4197774b57d
5b5cc60ae4d2b4197774b57d- 1bondstrue
- 2movement of the electronsfalse
- 3unbonded electronsfalse
- 4nuclei of the atomsfalse
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Answer : 1. "bonds"
Explanation :
Answer: A) bonds Explanation: chemical energy is contained in the chemical bonds between the reactants in the chemical compounds.
Q: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1729 05b5cc73ae4d2b4197774f8ec
5b5cc73ae4d2b4197774f8ec- 133 secfalse
- 237.33 sectrue
- 336.43 secfalse
- 432 secfalse
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Answer : 2. "37.33 sec"
Explanation :
Answer: B) 37.33 sec Explanation: Speed = 108 km/hrenter a tunnel,, means that the train covers a distance equal to its own lengthso (108 x 5/18) = x/4 where x= length of trainhence x = 120 mtrsto pass completely train has to travel a distance = (x + tunnel length) that is 1120 mtrs.so (1120/t) = (108x5/18)t = 37.33 sec
Q: What is true about personal financial planning? 1729 05b5cc699e4d2b4197774c733
5b5cc699e4d2b4197774c733- 1Personal financial planning is the process of creating and achieving financial goalstrue
- 2Our financial decisions decrease once we reach adulthoodfalse
- 3A family's resources are unlimitedfalse
- 4There are two means for achieving financial goals—you either need to increase your spending or reduce savingsfalse
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Answer : 1. "Personal financial planning is the process of creating and achieving financial goals"
Explanation :
Answer: A) Personal financial planning is the process of creating and achieving financial goals Explanation: Personal financial planning is the process of creating and achieving financial goals. True statements regarding personal financial planning: As we age, the number and complexity of the financial decisions that we make increases. There are two means for achieving financial goals—you either need to increase your savings or reduce spending. A family's resources are limited.
Q: Find the next number in the given number series? 0, 3, 8, 15, 24, ? 1728 05b5cc6a7e4d2b4197774ce13
5b5cc6a7e4d2b4197774ce13- 135true
- 237false
- 334false
- 436false
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Answer : 1. "35"
Explanation :
Answer: A) 35 Explanation: Here the given number series is 0, 3, 8, 15, 24, ? The next number in the given series can be found such a way that the number series follows a pattern, 22 - 4 = 032 - 6 = 342 - 8 = 852 - 10 = 1562 - 12 = 2472 - 14 = 35Hence, the next number in the iven series is 35.
Q: What was the symbol of death of gautama buddha? 1728 05b5cc68be4d2b4197774c3b0
5b5cc68be4d2b4197774c3b0- 1Stupatrue
- 2Bodhi treefalse
- 3Lionfalse
- 4Chaityafalse
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Answer : 1. "Stupa"
Explanation :
Answer: A) Stupa Explanation: Stupa represents the symbol of death of Gautama Buddha. On the other hand, Bodhi Tree is the symbol of nirvana of Gautama Buddha.
Q: Namitha sold a powerbank which is at the cost of Rs. 1950 at a loss of 25%. Find at what cost will she have to sell it to get a profit of 25%? 1728 05b5cc6b1e4d2b4197774d341
5b5cc6b1e4d2b4197774d341- 1Rs. 3680false
- 2Rs. 3560false
- 3Rs. 3320false
- 4Rs. 3250true
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Answer : 4. "Rs. 3250"
Explanation :
Answer: D) Rs. 3250 Explanation: Let the Cost price of the powerbank = Rs. P But given that by selling it at Rs. 1950, it gives a loss of 25% => P x 75100 = 1950=>P = 1950 x 10075 = Rs. 2600Now, to get a profit of 25% Selling Price = 2600 x 125100 = Rs. 3250.
Q: 'The Race of my Life' the Autobiography has been co-authored by Milkha Singh's daughter, whose name is ____ ? 1728 05b5cc6bfe4d2b4197774da1f
5b5cc6bfe4d2b4197774da1f- 1Sonia Sanwalkatrue
- 2Mankhia Singhfalse
- 3Sanjitia Sardarfalse
- 4Poonam Dillofalse
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Answer : 1. "Sonia Sanwalka"
Explanation :
Answer: A) Sonia Sanwalka Explanation:

