All at you have heard about ujjain( question tag)
Answers
Answered by
1
Answer:
Ujjain is a city in the state of Madhya Pradesh in India.
Answered by
7
Answer:
SolutionLet p and q are days required for X and Y to complete the project alone
Now p =q-5
Also
1
p
+
1
q
=
1
6
or
1
q
−
5
+
1
q
=
1
6
q
+
q
−
5
q
(
q
−
5
)
=
1
6
6
(
2
q
−
5
)
=
q
2
−
5
q
q
2
−
17
q
+
30
=
0
factoring this quadratics
q=15 or 2
It can not be 2 as then p will be negative
So q=15 days and p=10 days
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