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 ? 5415 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: Warm is to Hot as Not so Good is to 5394 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 ? 5373 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: The first step in solving an Ethical Dilemma is to 5362 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: Find the missing alphabet in the given sequence ? A, Z, Y, B, C, ?, W, D 5320 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: If 9 = 63 8 = 48 7 = 35 Then 4 = ? 5312 05b5cc696e4d2b4197774c56a
5b5cc696e4d2b4197774c56a- 14false
- 28true
- 312false
- 416false
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Answer : 2. "8"
Explanation :
Answer: B) 8 Explanation: Here given that 9 = 63, 8 = 48, 7=35, ... The given question follows a pattern that 9 x (9 - 2) = 9 x 7 = 63 8 x (8 - 2) = 8 x 6 = 48 7 x (7 - 2) = 7 x 5 = 35 Similarly, 4 x (4 - 2) = 4 x 2 = 8.
Q: Find the Odd One Out of the following Number Series? 3, 14, 36, 67, 113, 168 5299 05b5cc6b1e4d2b4197774d34b
5b5cc6b1e4d2b4197774d34b- 114false
- 236false
- 367true
- 4113false
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Answer : 3. "67"
Explanation :
Answer: C) 67 Explanation: Here the given number series is 3, 14, 36, 67, 113, 168 It follows a pattern that 3 3 + 1 x 11 = 3 + 11 = 14 14 + 2 x 11 = 14 + 22 = 36 36 + 3 x 11 = 36 + 33 = 69 69 + 4 x 11 = 69 + 44 = 113 113 + 5 x 11 = 113 + 55 = 168 Hence, the wrong number is 67.
Q: What is the next letter of the following sequence. N , O , M , P , L , Q , K , R , ? 5294 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...