NIFT UG 2018 Question Paper with solutions

Question : 30 of 150

Marks: +1, -0

A bag contains

₹ 1,50

paise and 25 paise coins in the ratio of 8: 9: 11 . If the total money in the bag is

₹ 366

, then find the number of 25 paise coins.

Solution:

Let number of

₹ 1

coins

=8 x

Number of 50 paise coins

=9 x

Number of 25 paise coins

=11 x

According to the question,

8 x+\;{9 x}/{2}+\;{11 x}/{4}=366

⇒ \;\; 32 x+18 x+11 x=1464

⇒ \;\; 61 x=1464

∴ \;\; x=\;{1464}/{61}=24

∴

Number of 25 paise coins

=11 x=11 × 24=264

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