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RRB Paramedical Staff Nurse Model Paper 10
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© examsnet.com
Question : 48
Total: 100
The cost of five chairs and three tables is Rs.3,110. Cost of one chair is Rs.210 less than cost of one table. What is the cost of two tables and two chairs?
Rs.1,660
Rs.1,860
Rs.2,600
Cannot be determined
Validate
Solution:
If the CP of 1 chair be x, then CP of 1 table
=
(
x
+
210
)
Thus,
5
x
+
3
(
x
+
210
)
=
3110
=
5
x
+
3
x
+
630
=
3110
8
x
=
3110
−
630
=
2480
Thus,
x
=
2480
8
=
310
Thus, CP of two tables and two chairs
2
(
x
+
x
+
210
)
=
4
x
+
420
=
4
x
310
+
420
=
Rs. 1660
© examsnet.com
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