If Fatima has an equal number of notes of denomination 10, 5 and 2 and the total amount she has Rs. 510, then the number of notes of each she had
  • a)
    17
  • b)
    25
  • c)
    30
  • d)
    20
Correct answer is option 'C'. Can you explain this answer?

Related Test

Yashina Kapoor
Jul 15, 2021
Let the number of notes of each kind be x. Then 10x + 5x + 2x = 510 ⇒ x = 510 / 17 = 30.

Dhruv Kumar
5 days ago
10× + 5× + 2× = 510 = × = 510 / 17 = 30.

Let the number of notes of each kind be x. Then 10x + 5x + 2x = 510⇒x = 510 / 17 = 30.
Let the number of notes of each kind be x. Then 10x + 5x + 2x = 510⇒x = 510 / 17 = 30.