Question

iPhone cost rupees 400 shop a offers a discount of 1 upon 7 of the amount and shop b offers a discount of 3 upon 31 of the amount which is the better offer and by how much​

Answer 1

1/7 of 400=400/7=57.14 rs

3/31 of 400=400*3/31=38.70 rs

so 1/7 is better and differenceis

57.14-38.70=Rs 18.44