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BdMO National 2013: Primary 1
Posted: Fri Jan 10, 2014 1:11 am
by BdMO
A group of $7$ women takes $7$ days to make $7$ Nokshikatha. How many days will a group of $5$ women take for making $5$ Nokshikatha?
Re: BdMO National 2013: Primary 1
Posted: Sat Jan 18, 2014 5:58 pm
by Asif_Himel
3.857142857
ba 27/7
Re: BdMO National 2013: Primary 1
Posted: Sun Jan 19, 2014 11:46 am
by Labib
Please post your full solution here.
And just to let you know, your answer is not correct.
Think harder.
Re: BdMO National 2013: Primary 1
Posted: Tue Jan 21, 2014 8:19 pm
by Ahanaf Akif Pathan
Only 7 days
Re: BdMO National 2013: Primary 1
Posted: Wed Jan 22, 2014 7:42 pm
by Labib
Ahanaf Akif Pathan wrote:Only 7 days
@Ahnaf Akif Pathan
Please post your full solution. People actually post problems, because they do not know how to approach or solve the full problem(and sometimes to share good problems).
If they just needed an answer, they would just use a computer. So kindly practice posting full solutions.
Here's a full solution-
Re: BdMO National 2013: Primary 1
Posted: Fri Jan 24, 2014 9:27 pm
by atiab jobayer
It is only 7days
Re: BdMO National 2013: Primary 1
Posted: Fri Feb 07, 2014 3:40 pm
by MD.MUNTAKIMUL MAHBUB
BdMO wrote:A group of $7$ women takes $7$ days to make $7$ Nokshikatha. How many days will a group of $5$ women take for making $5$ Nokshikatha?
If 7 people need 7 days to make 7 katha, then it will take 77=49 days for 1 person to make 7 katha (since the workload will 7 times more)
So it will take that person 749=7 days to sew each katha. (7 times less workload)
Therefore it takes 57=35 days for the person to sew 5 katha. (5 times more workload)
Now if we increase the number of sewers to 5 , the workload will be reduced 5 times.
So, the time needed for 5 people to sew 5 katha will be 535=7 days.
Re: BdMO National 2013: Primary 1
Posted: Sun Jan 11, 2015 11:58 am
by prantick
need 7 days
Re: BdMO National 2013: Primary 1
Posted: Mon Oct 02, 2017 2:06 am
by Asadullah_iubat
7 women make 7 Nokshikatha in 7 days,
So 7 women make 1 Nokshikatha in 7/7 days
So 1 Women make 1 Nokshikatha in (7*7)/7 days or 7 days
Now 5 women make 1 Nokshikatha in 7*5 days
And 5 women make 5 Nokshikatha in (7*5)/5 days or 7 days.
Re: BdMO National 2013: Primary 1
Posted: Mon Nov 19, 2018 1:42 pm
by RAMIM ADNAN
THE ANSER IS 7