Velankani Information Systems Interview Questions

A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?

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How to detect virus in PC ? Why a file prefixed with '~'symbol is said to be virus ? Is it true that the PC is infected with virus when we find any such files ?

490 viewsAptitude

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What is your objective of life?

200 viewsHR

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The smallest set A such that A ∪ {1, 2} = {1, 2, 3, 5, 9} is
A. {2, 3, 5}
B. {3, 5, 9}
C. {1,2, 5, 9}
D. None of these

382 viewsAdmin Changed status to publish January 5, 2022Aptitude Relations and Functions

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A computer printer produces 176400 lines in a given day. If the printer is in operation for 7 hrs during the day how many lines did it print per minute?

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By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?

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Find the smallest number which should be multiplied with 520 to make it a perfect square.
A. None of these
B. 20
C. 40
D. 60

142 viewsAdmin Changed status to publish November 23, 2021Aptitude Problems on Numbers

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How is my father’s brother’s only sibling’s mother related to me ?

193 viewsAptitude Business Analyst

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If a light flashes every 6 seconds, how many times will it flash in ? of an hour?

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4500 * ? = 3375
A. 3/6
B. 3/5
C. 3/4
D. 3/2

186 viewsAdmin Changed status to publish November 23, 2021Aptitude Problems on Numbers

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What is the angle between the two hands of a clock when the time shown by the clock is 6.30 p.m. ?
A. 100°
B. 150°
C. 200°
D. 250°

203 viewsAdmin Changed status to publish December 31, 2021Aptitude Time and Clock

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12 spheres of the same size are made from melting a solid cylinder of 16 cm diameter and 2 cm height. Find the diameter of each sphere.
A. 2 cm
B. 4 cm
C. 6 cm
D. 8 cm

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

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A man rows downstream 32 km and 14 km upstream, and he takes 6 hours to cover each distance. What is speed of the current?
A. 1 km/hr
B. 1.5 km/hr
C. 2 km/hr
D. 2.5 km/hr

184 viewsAdmin Changed status to publish January 3, 2022Aptitude Boats and Streams

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There is food for 760 men for 22 days. How many more men should join after two days so that the same food may last for 19 days more?

190 viewsAptitude Assistant Manager

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In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest?

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