The total of 342 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is  Choose the correct answer
A) 238 B) 290 C) 278 D) 200 E) 288
Explanation:   Let the number of 20 paise coins be x. Then the no of 25 paise coins = (342 - x).   0.20 * (x) + 0.25 (342 - x) = 71 =&gt; x = 290..   Answer: 290) 290
<result>B</result>
The total of 342 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is