Piyush has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5:4

Piyush has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5:4. After he lost 15 red marbles, the ratio becomes 10: 9. How many marbles does he have now?

(a) 76

(b) 152

(c) 228

(d) 102

Sol:

=228