GATE Practice Question and Answer

Q: If two line pa + b = 2 and 3a + b = 4 are parallel to each other, then what is the value of p ? 1657 0

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    1
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    2
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    3
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    4
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Given two lines are parallel pa+b=2 b=-pa+2..........(1) 3a+b=4 b=-3a+4 ...........(2) m1 = -p m2= -3 The condition for the two lines to be parallel is m1=m2 p = 3

Q: 25 divided by 7 1657 0

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    3.571
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    35.71
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    0.351
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    Wrong
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    0.0357
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    Wrong
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Answer : 1. "3.571"
Explanation :

Answer: A) 3.571 Explanation: Here we have 25 divided by 7. 25 will not go directly in 7 Hence, we get the result in decimals. 25/7 = 3.571.

Q: How important is positive attitude to you ? 1657 0

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Answer :
Explanation :

With a positive attitude you see the bright side of life, become optimistic, and expect the best to happen. It is certainly a state of mind that is well worth developing. Not only it enriches one’s experience of life, but it also paves the way for self-development leading one towards attaining the desired results. As regards employment, it is a valuable thing to maintain positive attitude. Whether you are a manager or a subordinate, maintaining positive attitude in the work place brings lots of benefits while allowing you to fulfill your objectives successfully.A positive frame of mind can help you in many ways, such as:- Making you feel inspired.- Identification.- Believing in yourself and in your abilities.- You look for solutions, instead of dwelling on problems.- The most important thing is building relations.

Q: A town has a population of 4000 requires 140 liters of water per head. It has a tank measuring 18m x 12m x 8m. The water of this tank will suffice for ____ days? 1656 0

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    3
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    4
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    5
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    2
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Answer : 1. "3"
Explanation :

Answer: A) 3 Explanation: Water required = 4000 x 140 = 560000 lit = 560 cu.m (1 cu.m = 1000 lit) Volume of tank = 18 x 12 x 8 = 1728 cu.m Water of this tank will suffice for = 1728/560 = 3 days.

Q: In what time a 360 m. long train moving at the speed of 44 km/hr will cross a 140 m. long bridge ? 1656 0

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    36 sec
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    39 sec
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    41 sec
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    43 sec
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Answer : 3. "41 sec"
Explanation :

Answer: C) 41 sec Explanation: Speed = 44 kmph x 5/18 = 110/9 m/s We know that, Time = distance/speed Time = (360 + 140) / (110/9) = 500 x 9/110 = 41 sec.

Q: The ratio between present ages of Renuka and Sony is 5 : 4 . 4 years ago, Sony's age was 24 years. What will be Renuka's age after 5 years ? 1656 0

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    25
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    30
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    35
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    40
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Answer : 4. "40"
Explanation :

Answer: D) 40 Explanation: Present age of Sony = 24 + 4 = 28 years After 5 years Renuka's age = 7×5 + 5 = 40 years

Q: Vision can be affected by drugs and alcohol making, especially difficult to distinguish 1654 0

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    Light
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    Colors
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    Distance
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    Shapes
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Answer : 2. "Colors"
Explanation :

Answer: B) Colors Explanation: Drinking alcohol can cause many damages to your body. Your vision can be affected as you will face blurred and double vision and even you can't identify colors.

Q: The age of Manisha and Sudeshna are in the ratio of 5 : 6 respectively. After 8 years the ratio  of their ages will be 7 : 8. What is the difference of their ages ? 1653 0

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    6
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    4
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    8
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    10
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Answer : 2. "4"
Explanation :

Answer: B) 4 Explanation: Let the age of Manisha and Sudeshna is 5x and 6x years respectively. According to the given data, 5x+8/6x+8 = 7/8 42x + 56 = 40x + 64 x = 4 Required Difference of their ages = (6 × 4)  –  (5 × 4) = 4 years.

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