IIT JEE Practice Question and Answer
8Q: Four persons can cross a bridge in 3,7,13,17 minutes.Only two can cross at a time.Find the minimum time taken by the four to cross the bridge ? 5243 05b5cc70ee4d2b4197774f36f
5b5cc70ee4d2b4197774f36f- 117 minutesfalse
- 220 minutestrue
- 334 minutesfalse
- 412 minutesfalse
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Answer : 2. "20 minutes"
Explanation :
Answer: B) 20 minutes Explanation: First send 17 and 7. After 7 minutes, 7 is at finish and 17 needs 10 more minutes to complete his travel. now send 13. After 10 minutes 17 reaches finish and 13 needs 3 more minutes to complete. now send 3. both 3 and 13 reach destination at the same time after 3 minutes. hence the time taken is 7+10+3=20 minutes.
Q: The first step in solving an Ethical Dilemma is to 5236 05b5cc6aae4d2b4197774cf33
5b5cc6aae4d2b4197774cf33- 1identify the alternativesfalse
- 2identify an etical situation and ethical issues involvedtrue
- 3weigh the impact of each alternative on various stakeholders.false
- 4recognize and analyze the principal elements in the situation.false
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Answer : 2. "identify an etical situation and ethical issues involved"
Explanation :
Answer: B) identify an etical situation and ethical issues involved Explanation:
Q: Warm is to Hot as Not so Good is to 5228 05b5cc6aae4d2b4197774cf7a
5b5cc6aae4d2b4197774cf7a- 1Averagefalse
- 2Fairfalse
- 3Not so badfalse
- 4Worsetrue
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Answer : 4. "Worse"
Explanation :
Answer: D) Worse Explanation: Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.
Q: Karan started a business investing Rs 29000. After five months, Satish joined with a capital of Rs 18000. If at the end of the year, they earn a profit of Rs. 16970, then what will be the share of Satish in the profit ? 5188 05b5cc767e4d2b4197774fe36
5b5cc767e4d2b4197774fe36- 1Rs. 5422false
- 2Rs. 5489false
- 3Rs. 4511true
- 4Rs. 6145false
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Answer : 3. "Rs. 4511"
Explanation :
Answer: C) Rs. 4511 Explanation: Now as per question, Karan invested for 12 months and Satish invested for 7 months. So, Karan:Satish = (29000 x 12):(18000 x 7) = 348:126 = 58:21 Satish Ratio in profit will be= 16970×2179 = Rs. 4511
Q: What is the next letter of the following sequence. N , O , M , P , L , Q , K , R , ? 5180 05b5cc731e4d2b4197774f80a
5b5cc731e4d2b4197774f80a- 1Sfalse
- 2Ifalse
- 3Jtrue
- 4Tfalse
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Answer : 3. "J"
Explanation :
Answer: C) J Explanation: Here the series has mixed two series.n m l k...! reverse alphabeto p q r ...! forward alphabetSo the letter before k is j and after that letter after r is s and so on...
Q: Find the missing alphabet in the given sequence ? A, Z, Y, B, C, ?, W, D 5174 05b5cc718e4d2b4197774f4b3
5b5cc718e4d2b4197774f4b3- 1Efalse
- 2Zfalse
- 3Xtrue
- 4Ffalse
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Answer : 3. "X"
Explanation :
Answer: C) X Explanation: first letter A with last letter Zsimilarly 2nd last letter Y with 2nd letter BNow 3rd letter C with 3rd last letter X4th last letter W with 4th letter D and so on.... Therefore the missing letter is X
Q: Two passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 16 kmph and 21 kmph respectively. When they meet, it is found that one train has traveled 60 km more than the other one. The distance between the two stations is ? 5142 05b5cc6ebe4d2b4197774eea0
5b5cc6ebe4d2b4197774eea0- 1387 kmsfalse
- 2242 kmsfalse
- 3145 kmsfalse
- 4444 kmstrue
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Answer : 4. "444 kms"
Explanation :
Answer: D) 444 kms Explanation: 1h ----- 5 kms? ------ 60 kms Time = 12 hrs Relative Speed = 16 + 21 = 37 kmph T = 12 hrs D = S x T = 37 x 12 = 444 kms.
Q: Rajeev start a business with Rs. 10000, Deepu joins him after 2 month with 20% more investment than Rajeev, after 2 month Shakti joins him with 40% less than Deepu. If the profit earned by them at the end of the year is equal to the twice of the difference between investment of Rajeev and ten times the investment of Shakti. Find the profit of Rajeev ? 5133 05b5cc6c6e4d2b4197774de2c
5b5cc6c6e4d2b4197774de2c- 150000false
- 248000false
- 338000true
- 440000false
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Answer : 3. "38000"
Explanation :
Answer: C) 38000 Explanation: Here from the given information, The ratio of investments of Rajeev, Deepu & Shakti is R : D : S = (10000 × 12) : (12000 × 10) : (7200 × 8) = 25 : 25 : 12 Now the Profit = 2 × (72000-10000) = 124000 Share of Rajeev = 124000 x 25/62 = 48000 Profit of Rajeev = 48000 - 10000 = 38000

