railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Simple Ratios
P pays Q a sum of Rs. 150 using coins of Rs. 2, Rs. 5 and Rs. 10. He uses a total of 50 coins. If the ratio of Rs. 2 and Rs. 5 coins used is 5 : 2, then how many coins of Rs. 10 are used in the payment?
1
1
2
4
3
5
4
2