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RRB Paramedical Staff Nurse Model Paper 2
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© examsnet.com
Question : 51
Total: 100
A can do a piece of work in 16 days and B in 24 days. They take the help of C and three together finish the work in 6 days. If the total renumeration for the work is Rs. 400. The amount (in Rs.) each will receive, in proportion, to do the work is
A : 150, B : 100, C : 150
A : 100, B : 150, C : 150
A : 150, B : 150, C : 100
A : 100, B : 150, C : 100
Validate
Solution:
Work done by A in 1 day
=
1
16
Work cone by B in 1 day
=
1
24
Work cone by A,B and C in1 day
−
1
6
Then, work done by C in 1 day
= (A + B + C) 's 1 day work -A's 1 day work B's 1 day work
1
c
=
1
6
−
1
16
−
1
24
1
C
−
8
−
3
−
2
48
=
3
18
=
1
16
Thus ratio of wage of A,B and C
=
1
A
:
1
B
:
1
C
−
1
16
:
1
24
:
1
16
=
3
:
2
:
3
(taking LCM)
Share of A
=
3
3
+
2
+
3
×
400
=
3
8
×
400
=
Rs
150
Share of B
=
2
3
+
2
+
3
×
400
=
Rs
.
100
Share of A
=
3
3
+
2
+
3
×
400
=
Rs
150
© examsnet.com
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