Car Wash Fundraiser | |
Saturday | Number of cars washed |
1 | |
2 | |
3 | |
4 | |
Key =10 cars |
A) Rs.120
B) Rs.300
C) Rs.550
D) Rs.600
Correct Answer: D
Solution :
Number of cars washed on 1st Saturday \[=3\times 10=30\] Number of cars washed on 2nd Saturday \[=2\times 10=20\] Number of cars washed on 3rd Saturday \[=2\times 10=20\] Number of cars washed on 4th Saturday \[=5\times 10=50\] \[\therefore \] Total number of cars washed during the month = (30 + 20 + 20 + 50) = 120 Amount charged for 1 car = Rs. 5 \[\therefore \] Amount charged for 120 cars \[\text{= Rs}\text{. (5}\times \text{120)= Rs}\text{.600}\]You need to login to perform this action.
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