IIT JEE Practice Question and Answer
8Q: The Capacity of a Communication Channel is Measured in 5623 05b5cc6afe4d2b4197774d1c9
5b5cc6afe4d2b4197774d1c9- 1Band ratefalse
- 2Band widthtrue
- 3Data flowfalse
- 4Bit capacityfalse
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Answer : 2. "Band width"
Explanation :
Answer: B) Band width Explanation: The path that data takes from source to destination is called a Channel. A channel is a communication medium. A channel has a certain capacity for transmitting information. The "capacity" of a channel is the theoretical upper-limit to the bit rate over a given channel that will result in negligible errors. Channel capacity is often measured by its Bandwidth in Hz or its data rate in bits per second.
Q: Vaunt : Flaunt :: Disparate : ? 5602 05b5cc6a0e4d2b4197774ca7b
5b5cc6a0e4d2b4197774ca7b- 1Similarfalse
- 2Homogenousfalse
- 3Contrasttrue
- 4Alikefalse
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Answer : 3. "Contrast"
Explanation :
Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something. Flaunt is the synonym of the word Vaunt. Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate. Here in the given options, Contrast is the only word which is similar in meaning of Disparate. Hence, Vaunt : Flaunt :: Disparate : Contrast.
Q: One-quarter of one-seventh of a land is sold for Rs. 30,000. What is the value of an four fifteenth of land ? 5571 05b5cc736e4d2b4197774f828
5b5cc736e4d2b4197774f828- 1Rs.1,92,000false
- 2Rs.2,24,000true
- 3Rs.1,26,000false
- 4Rs.3,42,000false
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Answer : 2. "Rs.2,24,000"
Explanation :
Answer: B) Rs.2,24,000 Explanation: One-quarter of one-seventh = 1/4 x 1/7= 1/28Now, 1/28 of a land costs = Rs. 30,000Thus, 8/35 of the land will cost = 30,000 x 28 x 4/15= Rs. 2,24,000.
Q: Bruise is to Fall as Bump is to 5524 05b5cc69de4d2b4197774c8ff
5b5cc69de4d2b4197774c8ff- 1Lumpfalse
- 2Knocktrue
- 3Limpfalse
- 4Woundfalse
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Answer : 2. "Knock"
Explanation :
Answer: B) Knock Explanation: After falling it bruises, similarly after knocking it bumps. Hence, Bruise : Fall :: Bump : Knock.
Q: A person takes 20 minutes more to cover a certain distance by decreasing his speed by 20%. What is the time taken to cover the distance at his original speed ? 5506 05b5cc6eee4d2b4197774eebe
5b5cc6eee4d2b4197774eebe- 11hrfalse
- 21 hr 20 mintrue
- 31 hr 10 minfalse
- 450 minfalse
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Answer : 2. "1 hr 20 min"
Explanation :
Answer: B) 1 hr 20 min Explanation: Let the distance and original speed be 'd' km and 'k' kmph respectively. d/0.8k - d/k = 20/60 => 5d/4k - d/k = 1/3 => (5d - 4d)/4k = 1/3 => d = 4/3 k Time taken to cover the distance at original speed = d/k = 4/3 hours = 1 hour 20 minutes.
Q: Choose the alternative which is closely resembles the water image of the given combination/figure. ADVANCE 1) 2) 3) 4) NONE 5478 05b5cc6f1e4d2b4197774ef69
5b5cc6f1e4d2b4197774ef69- 11false
- 22true
- 33false
- 44false
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Answer : 2. "2"
Explanation :
Answer: B) 2 Explanation:
Q: A girl facing north rotates 100(degree) clockwise then 190(degree) anticlockwise. what is new direction of the girl ? 5477 05b5cc74ae4d2b4197774fa86
5b5cc74ae4d2b4197774fa86- 1North-Eastfalse
- 2Westtrue
- 3South-Eastfalse
- 4Southfalse
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Answer : 2. "West"
Explanation :
Answer: B) West Explanation: First girl facing NorthThen she rotates 100 deg clock wise => 10 deg ESThen again she rotates 190 deg anti clock wise => for 100 deg it is North and more 90 deg means West.Therefore, the new direction of the girl is West.
Q: Hari Ram’s present age is three times his son’s present age and two fifth of his father’s present age. The average of the present age of all of them is 46 years. What is the difference between Hari Ram’s son’s present age and Hari Ram’s father’s present age? 5469 05b5cc6b7e4d2b4197774d5d8
5b5cc6b7e4d2b4197774d5d8- 144 yrsfalse
- 256 yrsfalse
- 367 yrsfalse
- 478 yrstrue
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Answer : 4. "78 yrs"
Explanation :
Answer: D) 78 yrs Explanation: Let Hari Ram's present age = x Then, his son's age = x/3 Father's age = 5x/2 x + x3 + 52x3 = 46=> x = 36 yrs Now the required difference = 52x36 - 363 = 78 yrs

