Mathematics Practice Questions for NTS,GRE,NAT,GAT

Mathematics Practice Questions for NTS,GRE,NAT,GAT 1. An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally cost? A. $325
B. $375
C. $400
D. $408
E. $425 2. If y(x-1)=