GATE Practice Question and Answer
8Q: What Asks But Never Answers? 2354 05b5cc6b1e4d2b4197774d2ef
5b5cc6b1e4d2b4197774d2ef- 1Teacherfalse
- 2Telephonefalse
- 3Letterfalse
- 4Owltrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Owl"
Explanation :
Answer: D) Owl Explanation: An owl. "What noise does an owl make? The sound an Owl makes, it sounds like, "Who?" to our ears. They sounds entire lives asking the same question, but they'll never give any answers.
Q: Statement: There is a substantial increase in the number of accidents causing deaths and severe injuries due to malfunctioning of the traffic signals.Course of action:a. The traffic police should immediately post traffic personnel at the junctions.b. The signal system should immediately be repaired or replaced. 2353 05b5cc767e4d2b4197774fe1a
5b5cc767e4d2b4197774fe1a- 1Only a followsfalse
- 2Either a or b followstrue
- 3Only b followsfalse
- 4Neither a nor b followsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Either a or b follows"
Explanation :
Answer: B) Either a or b follows Explanation: Clearly, either the traffic signals should be made to function properly or traffic personnel should be deployed to guide vehicular movement in the right way. So either I or II follows.
Q: If y/(x - z) = (y + x)/z = x/y then find z : y : x ? 2352 05b5cc761e4d2b4197774fd4e
5b5cc761e4d2b4197774fd4e- 11:2:3false
- 23:2:4true
- 34:3:2false
- 42:3:4false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "3:2:4"
Explanation :
Answer: B) 3:2:4 Explanation: Given, y/(x - z) = (y + x)/z = x/yyz = xy + x2 - yz - xz ....(1)Also xy = yx-z ⇒x2 -xz = y2 ....(2)Using (1) and (2), we get yz = xy - yz + y22yz = xy + y22z = x + y Only option (B) satisfies the equation.
Q: On her deathbed, a grand mother called upon his three grand sons and told them to distribute all her assets worth Rs. 52,500 in the ratio of 1/35 : 1/21 : 1/15 amongst themselves. Find the smallest share amongst the three portions ? 2352 05b5cc761e4d2b4197774fd3f
5b5cc761e4d2b4197774fd3f- 1Rs. 5422false
- 2Rs. 10,500true
- 3Rs. 12,800false
- 4Rs. 15,000false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Rs. 10,500"
Explanation :
Answer: B) Rs. 10,500 Explanation: The ratio of distribution should be: 21 x 15 : 15 x 35 : 35 x 21= 315 : 525 : 735 = 3 : 5 : 7The smallest share will be of worth: 3/15 x 52,500 = Rs. 10,500
Q: Rust forms when _____ reacts with chemicals in rocks. 2352 05b5cc636e4d2b4197774ba1a
5b5cc636e4d2b4197774ba1a- 1Waterfalse
- 2Oxygentrue
- 3Nitrogenfalse
- 4Carbondioxidefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Oxygen"
Explanation :
Answer: B) Oxygen Explanation: Rust forms when oxygen reacts with chemicals in rocks, and that is often the case with many other elements in general. Like a copper nail being exposed to the air will rust.
Q: Which value is equal to 5% of 1,500? 2352 05b5cc666e4d2b4197774bee9
5b5cc666e4d2b4197774bee9- 135false
- 255false
- 375true
- 445false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "75"
Explanation :
Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. Hence, 5% of 1,500 is equal to 75.
Q: Complete the missing Number Puzzle? 2352 05b5cc60ae4d2b4197774b595
5b5cc60ae4d2b4197774b595- 140false
- 252false
- 389false
- 496true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "96"
Explanation :
Answer: D) 96 Explanation: Here in the given number puzzle, the given numbers follows a pattern that 1 + 4 = 5 => 1 x 4 + 1 = 4 + 1 = 5 2 + 5 = 12 => 2 x 5 + 2 = 10 + 2 = 12 3 + 6 = 21 => 3 x 6 + 3 = 18 + 3 = 21 Similarly, 8 + 11 = 96 => 8 x 11 + 8 = 88 + 8 = 96 Hence, the missing number in the given number puzzle is 96.
Q: What type of bond is joining the two hydrogen atoms? 2351 05b5cc688e4d2b4197774c331
5b5cc688e4d2b4197774c331- 1Hydrophobicfalse
- 2Ionicfalse
- 3Covalenttrue
- 4Hydrophilicfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Covalent"
Explanation :
Answer: C) Covalent Explanation: Covalent type of bonding joins the two hydrogen atoms. Hydrogen atoms in compounds such as H2 and H2O are joined to the molecule with covalent bonds. This is where electrons are shared between the atoms in order to fill there valence shells.

