GATE Practice Question and Answer
8Q: A sum of Rs. 427 is to be divided among A, B and C in such a way that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is ? 5323 05b5cc72ce4d2b4197774f792
5b5cc72ce4d2b4197774f792- 164false
- 276false
- 384true
- 498false
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Answer : 3. "84"
Explanation :
Answer: C) 84 Explanation: Given total sum = Rs. 427And given that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal.=> 3A = 4B = 7CBut given=> A + B + C = 427Now express A and B in terms of C i.e=> (7C/3) + (7C/4) + C = 427=> C = 84
Q: In a beach, Renu is running with her children and there she met Vishal and Laxmi. Vishal introduces Ravi to those children as " This person is the daughter of your mother's father's mother and is my sister." How is Vishal and Laxmi related to Renu ? 5310 05b5cc6d5e4d2b4197774e615
5b5cc6d5e4d2b4197774e615- 1Brother and Sisterfalse
- 2Uncle and Aunttrue
- 3Father and Motherfalse
- 4Can't determinefalse
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Answer : 2. "Uncle and Aunt"
Explanation :
Answer: B) Uncle and Aunt Explanation: Daughter of your mother's father's mother => Maternal grandmother => Renu's Aunt. Hence, Laxmi is Renu's Aunt and Vishal is Renu's Uncle.
Q: Convent : Cloister :: Eyrie : ? 5255 05b5cc694e4d2b4197774c489
5b5cc694e4d2b4197774c489- 1Showfalse
- 2Openfalse
- 3Hidefalse
- 4Nesttrue
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Answer : 4. "Nest"
Explanation :
Answer: D) Nest Explanation: Here the first two words are synonyms. Similarly, Eyrie means a large nest. So, the synonym of Eyrie is nest. Hence, Convent : Cloister :: Eyrie : Nest.
Q: Amar can do a piece of work in 10 days. He works at it for 4 days and then Arun finishes it in 9 days. In how many days can Amar and Arun together finish the work ? 5241 05b5cc6d6e4d2b4197774e66a
5b5cc6d6e4d2b4197774e66a- 14 daysfalse
- 28 daysfalse
- 33 daysfalse
- 46 daystrue
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Answer : 4. "6 days"
Explanation :
Answer: D) 6 days Explanation: 4/10 + 9/x = 1 => x = 15 Then both can do in 1/10 + 1/15 = 1/6 => 6 days
Q: Find the odd number out of the following number series? 2 4 8 11.5 18.25 28.375 5217 05b5cc68be4d2b4197774c380
5b5cc68be4d2b4197774c380- 118.25false
- 228.375false
- 311.5false
- 48true
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Answer : 4. "8"
Explanation :
Answer: D) 8 Explanation: Given number series follows a pattern that, 2 2 x 1.5 + 1 = 4 4 x 1.5 + 1 = 7 (not equal to 8) 7 x 1.5 + 1 = 11.5 11.5 x 1.5 + 1 = 18.25 18.25 x 1.5 + 1 = 28.375 Hence, the odd number in the given number series is 8.
Q: Microprocessors as switching devices are for which generation computers? 5216 05b5cc645e4d2b4197774bbb4
5b5cc645e4d2b4197774bbb4- 1Fourth generationtrue
- 2Third generationfalse
- 3Second generationfalse
- 4First generationfalse
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Answer : 1. "Fourth generation"
Explanation :
Answer: A) Fourth generation Explanation: Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors. Microprocessors further revolutionized the development of computers. The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.
Q: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 5151 05b5cc6d8e4d2b4197774e769
5b5cc6d8e4d2b4197774e769- 1170 mfalse
- 2100 mfalse
- 3270 mfalse
- 4320 mtrue
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Answer : 4. "320 m"
Explanation :
Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.
Q: The average weight of 45 passengers in a bus is 52 kg. 5 of them whose average weight is 48 kg leave the bus and other 5 passengers whose average weight is 54 kg join the bus at the same stop. What is the new average weight of the bus? 5132 05b5cc6abe4d2b4197774d06c
5b5cc6abe4d2b4197774d06c- 154.21 kgsfalse
- 251.07 kgsfalse
- 352.66 kgstrue
- 453.45 kgsfalse
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Answer : 3. "52.66 kgs"
Explanation :
Answer: C) 52.66 kgs Explanation: Given total number of passengers in the bus = 45 First average weight of 45 passengers = 52 kgs Average weight of 5 passengers who leave bus = 48 Average weight of 5 passengers who joined the bus = 54 Therefore, the net average weight of the bus is given by = 45 x 52 - 5 x 48 + 5 x 5445 = 237045= 1583= 52.66 kgs.