SSC SSC GD Constable 2025 Mock Test Series Quantitative Aptitude Algebra

Aman has certain number of notes of denomination ₹20 and ₹10 which amount to ₹390. If the numbers of notes of each kind are interchanged, then the new amount is ₹90 less than before. Find the number of notes of ₹20 denomination.

1

16

2

12

3

15

4

14

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