Abinaya had 100 currency notes in all, some of which are of Rs 80 denomination and the remaining of Rs 50 denomination. The total amount of all these currency notes was Rs. 5000. How much amount (in Rs) did she have in the denomination of Rs 50? Choices
A) 96
B) 90
C) 98
D) 100
E) 95
Let the number of 50-rupee notes = x   Then, the number of 80-rupee notes = (100 – x)   50x + 80(100 – x) = 5000 : x = 100   ANSWER:100
<result>D</result>
Abinaya had 100 currency notes in all, some of which are of Rs 80 denomination and the remaining of Rs 50 denomination. The total amount of all these currency notes was Rs. 5000. How much amount (in Rs) did she have in the denomination of Rs 50?