GATE Practice Question and Answer
8Q: A sum is divided among K, L and M in such a way that for each rupee K gets, L gets 45 paisa and M gets 30 paisa. If the share of L is Rs. 27, what is the total amount ? 2136 05b5cc6e0e4d2b4197774eb66
5b5cc6e0e4d2b4197774eb66- 1Rs. 159false
- 2Rs. 96false
- 3Rs. 147false
- 4Rs. 105true
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Answer : 4. "Rs. 105"
Explanation :
Answer: D) Rs. 105 Explanation: K : L : M = 100 : 45 : 30 = 20 : 9 : 6 Given L share is 27 => 9 ------ 27 35 ------ ? => 105
Q: K and L starts walking towards each other at 4 pm at speed of 3 km/hr and 4 km/hr respectively. They were initially 17.5 km apart. At what time do they meet ? 2135 05b5cc6c6e4d2b4197774ddfa
5b5cc6c6e4d2b4197774ddfa- 16:00 amfalse
- 26:30 pmtrue
- 35:45 amfalse
- 45:52 pmfalse
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Answer : 2. "6:30 pm"
Explanation :
Answer: B) 6:30 pm Explanation: Suppose they meet after 'h' hours Then 3h + 4h = 17.5 7h = 17.5 h = 2.5 hours So they meet at => 4 + 2.5 = 6:30 pm
Q: How many balls? Number of balls in the figure... 2134 05b5cc69ae4d2b4197774c796
5b5cc69ae4d2b4197774c796- Show AnswerHide Answer
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Answer :
Explanation :
You have to actually count all the balls in the pyramid.Simple way is to count the balls in each level. So lower most level lets say 1st level has 4 x 4 balls; i.e. 16 ballsSimilarly 2nd level has 3 x 3 balls; i.e. 9 balls.3rd level has 2 x 2 balls; i.e. 4 balls.The top most level has just 1 ball. So the total number of balls is 16+9+4+1 = 30. So the image has 30 Balls in all.
Q: Cassock : Priest :: ? : Graduate 2134 05b5cc68ee4d2b4197774c3ef
5b5cc68ee4d2b4197774c3ef- 1Gowntrue
- 2Tiefalse
- 3Capfalse
- 4Coatfalse
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Answer : 1. "Gown"
Explanation :
Answer: A) Gown Explanation: A Christian Priest wears cassock while a Graduate wears gown. Hence, Cassock : Priest :: Gown : Graduate.
Q: Which statement is NOT true about polymers? 2134 05b5cc696e4d2b4197774c541
5b5cc696e4d2b4197774c541- 1Polymers are large molecules composed of small monomeric unitsfalse
- 2Polymes are macromoleculesfalse
- 3Polymers are complex molecules composed of random sequences of atomstrue
- 4All the abovefalse
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Answer : 3. "Polymers are complex molecules composed of random sequences of atoms"
Explanation :
Answer: C) Polymers are complex molecules composed of random sequences of atoms Explanation: Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.
Q: Chemical name of Gold? 2131 05b5cc642e4d2b4197774bb43
5b5cc642e4d2b4197774bb43- 1Argentinumfalse
- 2Ferrusfalse
- 3Aurumtrue
- 4Seleniumfalse
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Answer : 3. "Aurum"
Explanation :
Answer: C) Aurum Explanation: The Chemical name of Gold is Aurum with symbol Au with atomic number 79 and a group 11 element. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal.
Q: Express 6.72 % in ratio ? 2129 05b5cc6d9e4d2b4197774e839
5b5cc6d9e4d2b4197774e839- 165 : 124false
- 242 : 625true
- 321 : 125false
- 437 : 442false
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Answer : 2. "42 : 625"
Explanation :
Answer: B) 42 : 625 Explanation: 6.72/100 = 672/10000 = 42/625
Q: DNA can be found in what Organelles? 2128 05b5cc6b5e4d2b4197774d506
5b5cc6b5e4d2b4197774d506- 1Chloroplasts and Mitichondriatrue
- 2Nucleus and Ribosomesfalse
- 3Ribosomes and Mitochondriafalse
- 4Endoplasmic Reticulum and Nucleusfalse
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Answer : 1. "Chloroplasts and Mitichondria"
Explanation :
Answer: A) Chloroplasts and Mitichondria Explanation: DNA can be found in 3 Organelles namely Nucleus, Mitochondria in animals and Chloroplasts in plants.