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Aptitude question on Calendar
Which of the following day(s) can't be the 1st day of a century?
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. Justify your answer.
Aug 7, 2018
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to answer this question.
No. Of odd days in first century is 5 so las day of this century will be friday...first day of next century is SATURDAY
Similarly no. Of odd days in first 2 centuries is 3 so last day is wednesday......first day of next day century is THURSDAY
For the first 3 centuries no of odd days is 1 so last day is monday.....first day of next century is TUESDAY
for first 4 centuries no of odd days is 0...so last day is sunday....first day of next century is MONDAY
same will repeat for every 4 centuries
Aug 8, 2018
Aug 9, 2018
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aptitude question on ratios
In a Certain office,1/3 of the workers are women,1/2 of the women are married and 1/3 of the married women have children. If 3/4 of the men are married and 2/3 of the married men have children. What part of the workers are without children?? a)5/ ... )11/18 d)17/36 my answer is 11/18 but given to be correct is 5/18??help guys.. but please mention the complete procedure.
Jul 14, 2015
Random aptitude question
Consider there are 6 benches and 2 boys , in how many ways can the boys be sited on the bench? How to solve it using P & C
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A wall clock and a Table clock are set to correct time today on 10 pm. Wall clock looses 3 minute in 1st hour, 6 minutes in the second hour and 9 minutes in the third hour and so on. Table clock looses 5 minutes in the 1st hour, 10 minutes in the second hour and 15 minutes in the third hour and so on. When will they show the same time?
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Let $a$ be the root of the polynomial $f(x)$ of multiplicity 1. Then $a$ is a root of polynomial $((x-a) / 2) (f’(x) + f’(a)) – f(x) +f(a)$ of multiplicity exactly 4 at least 4 at most 2 exactly 1
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