-
A man has in all ₹ 640 in the denominations of one-rupee, fiverupee and ten-rupee notes. The number of each type of notes are equal. What is the total number of notes he has ?
-
- 150
- 120
- 100
- 90
Correct Option: B
Let the number of each type of notes be x
∴ x + 5x + 10 x = 640
⇒ 16 x = 640 ⇒ x = 40
∴ Total number of notes
= 3 × 40 = 120
