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