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IBPS PO Prelims Model Paper 12
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© examsnet.com
Question : 53
Total: 100
A vessel contains 60 litres of milk. Six litres of milk is taken out and six litres of water is added to the vessel. Again, six litres of milk from the vessel is withdrawn and six litres of water is added to the vessel. The ratio of milk and water in the resulting mixture in the vessel is
81:19
71:29
61:39
61:29
None of these
Validate
Solution:
Milk left in vessel after 2 replace operations
Original quantity of milk at the beginning (a)
=
(
a
−
b
a
)
n
Milk left in vessel after 2 replace operations
60
=
(
60
−
6
60
)
2
=
486
114
=
81
:
19
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