GATE Practice Question and Answer
8Q: Dot cabs company provides cabs for software employees. The company has 8 Swift dzires, 6 Scorpios, 7 Innovas and few small cars. If Swift dzire makes one fourth of the total fleet, how many small cars are there in the company ? 2145 05b5cc741e4d2b4197774f9ea
5b5cc741e4d2b4197774f9ea- 19false
- 210false
- 311true
- 412false
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Answer : 3. "11"
Explanation :
Answer: C) 11 Explanation: Given the company has 8 SD + 6 SRP + 7 IN = 21 cars + 'x' small cars.Given SD makes 1/4 th of the total fleet.=> 8 = 1/4 (21 + x)=> 32 = 21 + x=> x = 11 Therefore, the company has 11 small cars.
Q: The sum of three consecutive odd numbers is 93. What is the middle number? 2144 05b5cc6b7e4d2b4197774d5e7
5b5cc6b7e4d2b4197774d5e7- 131true
- 233false
- 329false
- 427false
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Answer : 1. "31"
Explanation :
Answer: A) 31 Explanation: Let the three consecutive odd numbers be x, x+2, x+4 Then, x + x + 2 + x + 4 = 93 => 3x + 6 = 93 => 3x = 87 => x = 29 => 29, 31, 33 are three consecutive odd numbers. Therefore, the middle number is 31.
Q: 'BE' is related to 'GJ' in the same way as 'PS' is related to ? 2144 05b5cc736e4d2b4197774f84b
5b5cc736e4d2b4197774f84b- 1VXfalse
- 2TUfalse
- 3UXtrue
- 4TVfalse
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Answer : 3. "UX"
Explanation :
Answer: C) UX Explanation: Each corresponding letter moves five places forward in the alphabet.Here as BE is related to GJ then PS will relate to UX.
Q: Find the Odd One Out? 3 24 186 1008 5040 20160 2143 05b5cc6a8e4d2b4197774ceac
5b5cc6a8e4d2b4197774ceac- 124false
- 220160false
- 3186true
- 45040false
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Answer : 3. "186"
Explanation :
Answer: C) 186 Explanation: The given number series is 3 24 186 1008 5040 20160 Here the given series follows a pattern that, 3 3 x 8 = 24 24 x 7 = 168 not 186 168 x 6 = 1008 1008 x 5 = 5040 5040 x 4 = 20160 Hence the Odd One in the number series is 186.
Q: Which of the following is not a pure substance? 2138 05b5cc6a8e4d2b4197774ce57
5b5cc6a8e4d2b4197774ce57- 1Oxygenfalse
- 2Carbon dioxidefalse
- 3Waterfalse
- 4Milktrue
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Answer : 4. "Milk"
Explanation :
Answer: D) Milk Explanation: Milk is not a pure substance since it has so many constituents that can be separated physically. Compounds are pure substances formed from elements unlike mixtures.
Q: A decision committee of 5 members is to be formed out of 4 Actors, 3 Directors and 2 Producers. In how many ways a committee of 2 Actors, 2 Directors and 1 Producer can be formed ? 2137 05b5cc6b6e4d2b4197774d572
5b5cc6b6e4d2b4197774d572- 118false
- 224false
- 336true
- 432false
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Answer : 3. "36"
Explanation :
Answer: C) 36 Explanation: Required Number of ways = 4C2 × 3C2 × 2C1 = 36 = 36
Q: If (2a + 3b)/(5a - 3b) = 23/5 , then the value of ba is ? 2135 05b5cc761e4d2b4197774fd39
5b5cc761e4d2b4197774fd39- 15false
- 24false
- 320true
- 428false
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Answer : 3. "20"
Explanation :
Answer: C) 20 Explanation: Given (2a + 3b)/(5a - 3b) = 23/5 => 10a + 15b = 115a - 69b=> 105a = 84b => 5a = 4b a/b = 4/5 => a=4 & b=5=> bxa = 5x4 = 20.
Q: How much water can be used by a camel in drinking in a single time ? 2134 05b5cc736e4d2b4197774f860
5b5cc736e4d2b4197774f860- 1Up to 60 ltr.false
- 2Up to 100 ltr.true
- 3Up to 80 ltr.false
- 4Up to 120 ltr.false
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Answer : 2. "Up to 100 ltr."
Explanation :
Answer: B) Up to 100 ltr. Explanation: