IIT JEE Practice Question and Answer
8Q: Coding-Decoding If Pour is wrtten as 4156Sware is written as 78269Clear is written as 3@926 Then what is the code for PEARL= ? 6636 05b5cc6b3e4d2b4197774d472
5b5cc6b3e4d2b4197774d472- 1429@6false
- 24962@false
- 34692@false
- 44926@true
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Answer : 4. "4926@"
Explanation :
Answer: D) 4926@ Explanation: Pour - 4156 => P = 4, r = 6 Sware - 78269 => a = 2, e = 9 Clear - 3@926 => l = @ => Pearl = 4926@
Q: HTML documents are saved in 6595 05b5cc658e4d2b4197774bdf2
5b5cc658e4d2b4197774bdf2- 1Machine language codesfalse
- 2ASCII texttrue
- 3Special binary formatfalse
- 4None of the abovefalse
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Answer : 2. "ASCII text"
Explanation :
Answer: B) ASCII text Explanation: Word and WordPad can save documents as ASCII text and HTML, but this approach can lead to problems. NotePad should launch with a new document open. From the File pull-down menu, Select "Save As," save the file to the Desktop, and name the file using the ".html" extension (e.g., "home.html").
Q: The marks obtained by Vijay and Amith are in the ratio 4:5 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of ? 6572 05b5cc6e0e4d2b4197774eb98
5b5cc6e0e4d2b4197774eb98- 14:5false
- 26:5true
- 33:2false
- 41:3false
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Answer : 2. "6:5"
Explanation :
Answer: B) 6:5 Explanation: 4:5 3:2 -------=> 12:15:10 12:10 => 6:5
Q: If 78K928L is divisible by 6, then which of the following can Q and R take ? 6547 05b5cc741e4d2b4197774f995
5b5cc741e4d2b4197774f995- 1K=2 & L=3false
- 2K=1 & L=4true
- 3K=1 & L=2false
- 4K=3 & L=3false
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Answer : 2. "K=1 & L=4"
Explanation :
Answer: B) K=1 & L=4 Explanation: As per divisibility rule a number is divisible by 6 means it should be divisible by 2 and 3 case 1 : the divisibility rule for 2 is the number should be end with even number in this case R =2 & R=4 case 2 : The divisibility rule for 3 is the sum of numbers should be divisible by 3so if we take option (2) Q=1 & R=4 the sum is 39 if we take option (3) Q=1 & R=2 the sum is 37 So Option (2) is correct 39 is divided by 3
Q: Taps X and Y can fill a tank in 30 and 40 minutes respectively.Tap Z can empty the filled tank in 60 minutes.If all the three taps are kept open for one minute each,how much time will the taps take to fill the tank? 6508 05b5cc764e4d2b4197774fde1
5b5cc764e4d2b4197774fde1- 148minfalse
- 272minfalse
- 324mintrue
- 4None of thesefalse
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Answer : 3. "24min"
Explanation :
Answer: C) 24min Explanation: Given taps X and Y can fill the tank in 30 and 40 minutes respectively. Therefore, part filled by tap X in 1 minute = 1/30 part filled by tap Y in 1 minute = 1/40 Tap Z can empty the tank in 60 minutes. Therefore, part emptied by tap Z in 1 minute = 1/60 Net part filled by Pipes X,Y,Z together in 1 minute = [1/30 +1/40 - 1/60] = 5/120 = 1/24 i.e., the tank can be filled in 24 minutes.
Q: A boatman can row 3 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ? 6495 05b5cc6ebe4d2b4197774ee46
5b5cc6ebe4d2b4197774ee46- 11/3 kmphfalse
- 22/3 kmphfalse
- 31/4 kmphfalse
- 41/2 kmphtrue
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Answer : 4. "1/2 kmph"
Explanation :
Answer: D) 1/2 kmph Explanation: Speed in upstream = Distance / Time = 3 x 60/20 = 9 km/hr. Speed in downstream = 3 x 60/18 = 10 km/hr Rate of current = (10-9)/2 = 1/2 km/hr.
Q: What is one benefit of lifelong physical activity? 6475 05b5cc64ae4d2b4197774bbf1
5b5cc64ae4d2b4197774bbf1- 1high blood pressurefalse
- 2increase in healthy eating habitsfalse
- 3high physiological agetrue
- 4prevention of weight gainfalse
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Answer : 3. "high physiological age"
Explanation :
Answer: C) high physiological age Explanation:
Q: Thunder is to Lightning as Grape is to 6464 05b5cc6b8e4d2b4197774d67f
5b5cc6b8e4d2b4197774d67f- 1Winefalse
- 2Soilfalse
- 3Seedtrue
- 4Waterfalse
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Answer : 3. "Seed"
Explanation :
Answer: C) Seed Explanation: Lightning produces thunder just as a seed will eventually produce a grape.

