IIT JEE Practice Question and Answer
8Q: CPU speed of a personal computer is 4864 25b5cc66de4d2b4197774bff8
5b5cc66de4d2b4197774bff8- 11 MIPSfalse
- 2100 KIPSfalse
- 332 KIPStrue
- 432 MIPSfalse
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Answer : 3. "32 KIPS"
Explanation :
Answer: C) 32 KIPS Explanation: Instructions per second (IPS) is a measure of a computer's processor speed. CPU speed of a personal computer is 32 KIPS (Kilo Instructions per second).
Q: Storage capacity of magnetic disk depends on 4863 25b5cc60ae4d2b4197774b590
5b5cc60ae4d2b4197774b590- 1disk pack in disk surfacefalse
- 2tracks per inch of surfacefalse
- 3bits per inch of tracksfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on 1. tracks per inch of surface 2. bits per inch of tracks 3. disk pack in disk surface It can be shown as ::
Q: In a scheme, a pack of three soaps with MRP Rs.45 is available for Rs.42. If it still gives a profit of 5% to the shopkeeper, then the cost price of the pack is ? 4861 05b5cc728e4d2b4197774f737
5b5cc728e4d2b4197774f737- 138false
- 239false
- 340true
- 441false
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Answer : 3. "40"
Explanation :
Answer: C) 40 Explanation: Given M.P=45,S.P=42, Profit = 0.05 Let C.P=x , Then Profit = (42-x)/x = 0.05=> x = 40.
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 ? 4831 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 ? 4814 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
Q: Correct underlined words if necessary in the following sentence ? Have you been more careful, the accident could have been averted. 4795 05b5cc6fee4d2b4197774f107
5b5cc6fee4d2b4197774f107- 1Have you beenfalse
- 2If you have beenfalse
- 3Had you beentrue
- 4If you could have beenfalse
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Answer : 3. "Had you been"
Explanation :
Answer: C) Had you been Explanation: As the sentence talks about the past it is apt to say. 'Had you been more careful ...'.
Q: What is the next letter of the following sequence. N , O , M , P , L , Q , K , R , ? 4791 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: 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 ? 4791 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.