Libre Wireless Technologies Interview Questions

In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?

455 viewsAptitude Assistant Manager

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A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are drawn what is the probability that one is yellow and two are red?

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If the length and width of a rectangle are 12 feet and 11 feet, then find its area.
A. 124 square feet
B. 126 square feet
C. 128 square feet
D. 132 square feet

466 viewsAdmin Changed status to publish November 18, 2021Aptitude Areas

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16 men can complete a piece of work in 25 days. In how many days can 20 men complete that piece of work?

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What is the difference between confidence and over confidence?

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Point in parabola where it passes through y-axis is classified as
A. c-intercept of parabola
B. a-intercept of parabola
C. y-intercept of parabola
D. x-intercept of parabola

119 viewsAdmin Changed status to publish December 31, 2021Aptitude Quadratic and Polynomial Functions

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Two pipes X and Y can fill a cistern in 12 minutes and 15 minutes respectively while a third pipe Z can empty the full tank in 6 minutes. X and Y are kept open for 5 minutes in the beginning and then Z is also opened. In what time is the cistern emptied?

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The banker’s discount on a certain sum due 2 years hence is11/10of the true discount.
A. 10%
B. 20%
C. 30%
D. 40%

163 viewsAdmin Changed status to publish January 1, 2022Aptitude Banker's discount

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Vijay lent out an amount Rs. 10000 into two parts, one at 8% p.a. and the remaining at 10% p.a. both on simple interest. At the end of the year he received Rs. 890 as total interest. What was the amou
A. Rs. 5500
B. Rs. 4500
C. Rs. 5000
D. Rs.6000

469 viewsAdmin Changed status to publish November 22, 2021Aptitude Simple Interest

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A teacher is writing on a blackboard and we want to pass all the information on the blackboard over a low-bandwidth network in real-time. How do we do it.

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Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively while a third pipe C can empty the full tank in 6 minutes. A and B are kept open for 5 minutes in the beginning and then
A. 15 min
B. 25 min
C. 35 min
D. 45 min

311 viewsAdmin Changed status to publish January 1, 2022Aptitude Pipes And Cisterns

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A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?

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Two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post. If the length of each train be 120 m, in what time will they cross other travelling in opposite direction?

120 viewsAptitude Assistant Manager

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A is twice as good a workman as B and they took 7 days together to do the work B alone can do it in?

197 viewsAptitude Assistant Manager

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Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is at least 10?
A. 1/2
B. 1/4
C. 1/6
D. 1/8

192 viewsAdmin Changed status to publish January 3, 2022Aptitude Probability

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