Join ExamsbookAnswer : 3. "Both and 2 are needed"
A kiddy bank of a child contains all Rs. 1, 50 paise and 25 paise coins. What is the total amount in the bank ?(1) Total number of coins are 20(2) The number of 50 paise and 25 paise coins are in the ratio of 7:3.5
Q: A kiddy bank of a child contains all Rs. 1, 50 paise and 25 paise coins. What is the total amount in the bank ?(1) Total number of coins are 20(2) The number of 50 paise and 25 paise coins are in the ratio of 7:3.
- 1only 1 is neededfalse
- 2only 1 is neededfalse
- 3Both and 2 are neededtrue
- 4Nonefalse
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Answer : 3. "Both and 2 are needed"
Explanation :
Answer: C) Both and 2 are needed Explanation: Given that 50 paise and 25 paise coins are in the ratio of 7:3, they can be either 7 & 3 or 14 & 6.As total 20 coins also includes Rs. 1 coins, so 50 paise & 25 paise coins are 7 & 3 respectively & Rs. 1 coins are 10.Total amount = (100x10) + (50x7) + (25x3)=1425 paise or Rs.14.25.