GATE Practice Question and Answer
8Q: The Capacity of a Communication Channel is Measured in 4426 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: 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 ? 4424 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: 19 persons do 19 programs in 19 hours . If they take 15 mins interval and then how much time they need to do 52 programs. 4423 05b5cc754e4d2b4197774fb6d
5b5cc754e4d2b4197774fb6d- 123 hoursfalse
- 247 hrs 15 minfalse
- 352 hrs 15 mintrue
- 422 hrs 15 minfalse
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Answer : 3. "52 hrs 15 min"
Explanation :
Answer: C) 52 hrs 15 min Explanation: Since they can do 19 programs in 19 hours, Then 52 programs in 52 hours respectively.And a 15 min intervalTotal time they take to do 52 programs is 52 hours 15 minutes.
Q: Five plays P, Q, R, S and T were organised in a week from Monday to Saturday with one play each day and no play was organised on one of these days. Play S was organised before Thursday but after Monday. Play T was organised on Saturday. Play R was not organised on the first day. Play Q was organised on the next day on which play R was organised. Play P was organised on Tuesday. 1) On which day was play Q organised ? 2) On which day was no play organised ? 3) Which play was organised on Thursday ? 4412 05b5cc736e4d2b4197774f855
5b5cc736e4d2b4197774f855- Show AnswerHide Answer
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Answer :
Explanation :
Day Play Monday No playTuesday PWednesday SThursday RFriday QSaturday T Answers : From the above table : 1) On Friday play Q was organised. 2) On Monday Noplay was organised. 3) On Thursday Play R was organised.
Q: Warm is to Hot as Not so Good is to 4402 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: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4394 05b5cc72ce4d2b4197774f73c
5b5cc72ce4d2b4197774f73c- 17 ltsfalse
- 214 ltstrue
- 398 ltsfalse
- 442 ltsfalse
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Answer : 2. "14 lts"
Explanation :
Answer: B) 14 lts Explanation: To know the the measuring cylinder that can fill all the given capacities , they must be divisible by the required number. 98,182,266 all are divisible by 14 So 14 litres is the largest cylinder that can fill all the given cylinders. (or) The other method is take HCF of all given capacities i.e 98, 182 and 266.
Q: Iodine test is used to detect 4380 05b5cc699e4d2b4197774c741
5b5cc699e4d2b4197774c741- 1Carbohydratetrue
- 2Fatfalse
- 3Proteinfalse
- 4Cholesterolfalse
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Answer : 1. "Carbohydrate"
Explanation :
Answer: A) Carbohydrate Explanation: The iodine test is used to test for the presence of starch i.e, Carbohydrate.
Q: Find out the wrong number in the following series: 5, 15, 30, 80, 180, 540, 1080 4379 05b5cc70ee4d2b4197774f376
5b5cc70ee4d2b4197774f376- 1540false
- 2180false
- 330false
- 480true
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Answer : 4. "80"
Explanation :
Answer: D) 80 Explanation: There should be 90 instead of 80so we can have a series5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...