GATE Practice Question and Answer
8Q: A computer consists of 2770 05b5cc61ee4d2b4197774b7b0
5b5cc61ee4d2b4197774b7b0- 1motherboardfalse
- 2hard disk drivefalse
- 3central processing unitfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit (CPU), main memory, and a hard disk drive. Input devices include a keyboard, mouse, microphone, video camera, and image scanner. Output devices include a monitor, speakers, and a printer.
Q: 11 letter Indian city is I am Hints :: 2,4,10 is a Unit of Length . Last 6 letters is a Fruit Name. 9,5,3 is a Soap Name. 1,8,3 is used by a Student 7,8,3 letters is a Bird Name. 6,7,5,3 is an organ in the Face. From the above given Hints Find that Indian City Name? 2768 05b5cc6b6e4d2b4197774d59d
5b5cc6b6e4d2b4197774d59d- Show AnswerHide Answer
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Answer :
Explanation :
PONDICHERRY is the Indian City with 11 Letters. Fruit Name : CHERRY Soap Name : RIN Bird Name : HEN Organ : CHIN Used by Student : PEN
Q: How long have i been alive? 2768 05b5cc6a5e4d2b4197774ccaf
5b5cc6a5e4d2b4197774ccaf- Show AnswerHide Answer
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Answer :
Explanation :
This is a different way of asking your age. It can be how long you have been living in days weeks months and years since your birth date.
Q: There are 44 students in a hostel, due to the administration, 15 new students has joined. The expense of the mess increase by Rs. 33 per day. While the average expenditure per head diminished by Rs. 3, what was the original expenditure of the mess ? 2762 05b5cc74ae4d2b4197774fa9f
5b5cc74ae4d2b4197774fa9f- 1Rs. 404false
- 2Rs. 514false
- 3Rs. 340false
- 4Rs. 616true
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Answer : 4. "Rs. 616"
Explanation :
Answer: D) Rs. 616 Explanation: Let the average expenditure per head be Rs. pNow, the expenditure of the mess for old students is Rs. 44pAfter joining of 15 more students, the average expenditure per head is decreased by Rs. 3 => p-3Here, given the expenditure of the mess for (44+15 = 59) students is increased by Rs. 33Therefore, 59(p-3) = 44p + 3359p - 177 = 44p + 3315p = 210 => p = 14Thus, the expenditure of the mess for old students is Rs. 44p = 44 x 14 = Rs. 616.
Q: A man can row against the current three fourth of a kilometer in 15 min and returns same distance in 10 min, then ratio of his speed to that of current? 2761 05b5cc6a8e4d2b4197774ce95
5b5cc6a8e4d2b4197774ce95- 15:1true
- 23:1false
- 34:1false
- 42:1false
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Answer : 1. "5:1"
Explanation :
Answer: A) 5:1 Explanation: Let the speed of the man in still water = p kmph Speed of the current = s kmph Now, according to the questions (p + s) x 10 = (p - s) x 15 2p + 2s = 3p - 3s => p : s = 5 : 1 Hence, ratio of his speed to that of current = 5:1.
Q: Which elements are malleable and good conductors of electricity? 2758 05b5cc619e4d2b4197774b714
5b5cc619e4d2b4197774b714- 1tin and silvertrue
- 2iodine and silverfalse
- 3tin and xenonfalse
- 4iodine and xenonfalse
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Answer : 1. "tin and silver"
Explanation :
Answer: A) tin and silver Explanation: Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.
Q: The simple interest on Rs. 25 for 4 months at the rate of 3 paise per rupee per month is : 2749 05b5cc6dde4d2b4197774ea23
5b5cc6dde4d2b4197774ea23- 1240 paisefalse
- 2Rs. 1.40false
- 3Rs. 2.20false
- 4Rs. 3true
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Answer : 4. "Rs. 3"
Explanation :
Answer: D) Rs. 3 Explanation: I = PTR/100I = 25 x 4 x 0.03/100I = 0.03 x 100 = 300 Ps = Rs. 3
Q: The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol, to a lotion containing 30% alcohol is ? 2747 05b5cc74fe4d2b4197774fae5
5b5cc74fe4d2b4197774fae5- 16 mltrue
- 211 mlfalse
- 315 mlfalse
- 49 mlfalse
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Answer : 1. "6 ml"
Explanation :
Answer: A) 6 ml Explanation: Let us assume that the lotion has 50% alcohol and 50% water.ratio = 1:1As the total solution is 9mlalcohol = water = 4.5mlNow if we want the quantity of alcohol = 30%The quantity of water = 70%The new ratio = 3:7Let x ml of water be addedWe get,4.54.5+x = 37=> x=6Hence 6ml of water is added.

