ElectrifAi
Systems Plus Interview Questions and Answers
Q1. There are 100 tablets (each weighing exactly same except for one). You have to find out the correct medicine by using a weighing machine but the catch is each time you weigh, it costs you 1 billion, How will yo...
read moreUse binary search to minimize cost and find the correct medicine.
Divide the tablets into two equal groups and weigh them.
If the weights are equal, the correct medicine is in the other group.
If the weights are unequal, repeat the process with the lighter group.
Continue dividing and weighing until the correct medicine is found.
This approach reduces the number of weighings required to find the correct medicine.
Q2. What is the 10 digit number a[0]a[1]a[2]a[3]a[4]a[5]a[6]a[7]a[8]a[9] in which i occurs a[i] times?
The 10-digit number in which i occurs a[i] times is 6210001000.
The number has 6 zeros because i=0 occurs 6 times.
The number has 2 ones because i=1 occurs 2 times.
The number has 1 two because i=2 occurs 1 time.
The number has 0 threes because i=3 occurs 0 times.
The number has 0 fours because i=4 occurs 0 times.
The number has 0 fives because i=5 occurs 0 times.
The number has 1 six because i=6 occurs 1 time.
The number has 0 sevens because i=7 occurs 0 times.
The number has 0 eight...read more
Q3. Guess the number of people watching a particular movie show in the United Kingdom
It is impossible to accurately guess the number of people watching a particular movie show in the United Kingdom.
The number of people watching a movie show can vary greatly depending on various factors such as the popularity of the movie, the time of day, the day of the week, and the location of the theater.
To estimate the number of people watching a movie show, one would need access to data from ticket sales, theater capacities, and historical attendance patterns.
Market rese...read more
Q4. How to assigning the new task to employees based on their past performance
Assign tasks based on past performance by analyzing employee's strengths and weaknesses.
Analyze employee's past performance data
Identify their strengths and weaknesses
Assign tasks that align with their strengths
Provide training or support for areas of weakness
Regularly review and adjust task assignments based on performance
Consider employee preferences and career goals
Q5. Guesstimate how much a thief, who operate on shopping can earn in a year
A thief operating in shopping can earn anywhere from a few thousand to millions of dollars per year depending on their tactics and location.
The thief's location and the type of stores they target will greatly impact their earnings
Factors such as the thief's level of experience, skill, and risk-taking behavior will also play a role in their earnings
Some thieves may work alone while others may operate in organized groups, which can also impact their earnings
The thief's tactics ...read more
Q6. There is a number lock on a bag. It has numbers from 1-8. The lock can open if any 2 of 3 numbers in the bag is correct. You have to open the bag in minimum number of steps
To open the number lock on the bag, you need to try combinations of three numbers, ensuring that at least two of them are correct.
Start by trying the combinations of the first two numbers with each of the remaining six numbers.
If none of these combinations work, move on to the next pair of numbers and repeat the process.
Continue this pattern until you find a combination that opens the lock.
Q7. Cement Industry in India
The cement industry in India is a major contributor to the country's economy and infrastructure development.
India is the second-largest cement producer in the world, with a capacity of over 500 million tonnes per annum.
The industry is dominated by a few major players, including UltraTech Cement, ACC Limited, and Ambuja Cements.
Cement consumption in India is driven by the housing sector, infrastructure projects, and industrial construction.
The government's focus on affordable ...read more
Q8. On a globe, you do following – go 1 mile south, go 1 mile east, and then go 1 mile north. Is it possible that final point is same as initial point? How many such initial points exist for which this is possible ...
read moreOn a globe, can you end up at the same point after going 1 mile south, 1 mile east, and 1 mile north?
This is possible on a specific point on the globe - the North Pole
At any other point, the final point will not be the same as the initial point
Therefore, only one initial point exists for which this is possible
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