Learnyst QA Engineer Interview Questions and Answers

Logical + Quantitative questions +subjective round for QA -> questions to figure the mistake in designs

Q1. 100 apples in 5 consecutive days, each day 6 more than the previous day, how many apples were eaten on the first day
Ans. 8 + 14 + 20 + 26 + 32 = 100 -> Ans: 8
Answered by Prachi Jain
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Q2. 80 pairs of socks in a dark room, 40 black, 40 white, how many minimum number of socks need to be taken out to get 15 pairs of socks
Ans. 
Minimum 31 socks need to be taken out to get 15 pairs of socks
• To get 15 pairs of socks, you need to have 30 socks of different colors

• After taking out 30 socks, the next sock you take out will complete the 15 pairs

• So, minimum 31 socks need to be taken out to get 15 pairs of socks
Answered by AI
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Q3. 11 mins hourglass and 7 mins hourglass, use them both to calculate 15 mins
Ans. 1. use both 11 and 7 at same time and stop as 7 empties on one side -> total = 7 and 11 mins divided in 4 + 7 2. flip 7 mins glass and let 4 mins emptied, stop as 4 mins passes -> total = 7 + 4 = 11 and 7 mins divided in 3 + 4 3. let 4 mins pass -> total = 7 + 4 + 4 = 15 mins
Answered by Prachi Jain
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Q4. Tell me about yourself
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Q5. Why Quality Assurance
Ans. 
Quality Assurance ensures that products meet high standards and customer expectations.
• Ensures product quality and reliability

• Identifies and fixes defects early in the development process

• Increases customer satisfaction and trust in the product

• Reduces risks and costs associated with product failures
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Q1. Tell me about yourself
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Q2. Pen weight = 2 kg + 1/2 of its own weight -> what is the weight of pen?
Ans. 
The weight of the pen is 4 kg.
• To find the weight of the pen, we can set up the equation: pen weight = 2 kg + 1/2 of its own weight

• Let x be the weight of the pen. The equation becomes: x = 2 + 1/2 * x

• Solving for x, we get x = 4 kg
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Q3. 3 boxes with apples, oranges, apples + oranges --> labels are jumbled that is each box is labeled incorrectly, least number of steps required to correct the labels, considering each fruit we pick out is on...read more
Ans. 
To correct the labels on 3 boxes with jumbled fruit labels, the least number of steps required is 2.
• Pick a fruit from the box labeled 'apples + oranges', since it must contain both fruits.

• Then pick a fruit from the box labeled 'oranges', as it cannot contain apples.
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Q4. When designing an online carrom game, if the game is paused in between and then resumed again, what all things need to be saved?
Ans. 
When designing an online carrom game, the saved data when the game is paused and resumed should include player scores, positions of coins, game state, and timer status.
• Player scores should be saved to ensure continuity.

• Positions of coins on the board should be saved to resume the game accurately.

• Game state (such as whose turn it is) should be saved to maintain the flow.

• Timer status should be saved to resume the game wi
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Q5. Two jugs -> 5L and 3L -> fill 4L using only them, while wasting the least amount of water
Ans. 1. fill 5L and empty it in 3L ---> 5L has 2L and 3L has 3L 2. empty 3L ---> 5L has 2L and 3L has 0L 3. empty 5L into 3L ---> 5L has 0L and 3L has 2L 4. fill 5L to the top ---> 5L has 5L and 3L has 2L 5. fill 3L till full using 5L ---> 5L has 4L and 3L has 3L
Answered by Prachi Jain
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