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Q.
The total of 324 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is :
A.
50
B.
100
C.
150
D.
200
View Answer
Correct choice: D
Explanation:
Let the number of 20 paise coins be x. Then the no of 25 paise coins = (324 - x). 0.20 * (x) + 0.25 (324 - x) = 71 => x = 200..
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