Delhi Police Constable 2012 Paper

Question : 82 of 100

Marks: +1, -0

A bag contains the coins of 50p, 25p and ₹1 in the ratio of 5 : 6 : 2 respectively. If the total amount in the bag is ₹1260, then the number of 50p coins is —

420
525
1050
1260

Validate

Solution:

Let number of 50 paise coins is 5x.

\;{5 x}/{2}+\;{6 x}/{4}+\;{2 x}/{1}=1260

\;{10 x+6 x+8 x}/{4}=1260

∴

x=1260 × \;{4}/{24}=210

Hence, number of 50 paise coin

=5×210=1050

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