Mathematics · Aptitude

Mohit has an amount of ₹13,000 in the denominations of ten-rupee notes, twenty-rupee notes, fifty-rupee notes and five hundred-rupee notes. The number of five-hundred-rupee notes is 25% of the number of ten-rupee notes. The number of fifty-rupee notes is 50% of the number o f ten-ru pee notes. The number of twenty-rupee notes is 50% of the number of five-hundred-rupee notes. What is the total number of notes that Mohit has?