A change-making machine contains one-rupee, two- rupee and five-rupee coins. The total number of coins is 300. The amount is ₹ 960. If the number of one-rupee coins and two-rupee coins are interchanged, the value comes down by ₹ 40. The total number of five-rupee coins is
Answer key: third-party compilation — not officially verified
partial 114 of 120 missing Q1,6,24,46,64,95