Saved Bookmarks
| 1. |
A sum of 500 is in the form of denominations of 75 and 10. If the total number ofnotes is 90 find the number of notes of each denomination(Hint: let the number of 5 rupee notes be *x, the number of 10 rupee notes=90- |
|
Answer» Step-by-step explanation: Let the NUMBER of RS 5 notes be x Total number of notes = 90 Hence the number of Rs 10 notes be (90 − x) Total SUM of money = Rs 500 ∴ 5X + 10 (90 − x) = 500 5x + 900 − 10x = 500 − 5x = 500 − 900 -5x = −400 ∴ x = 80 Hence there are 80 notes of Rs 5 Number of Rs 10 notes = 90 - 80 = 10 Hence there are 10 notes of Rs 10. |
|