Question

anaya purchased 19 pencils at Rs. 3 each.He paid the shopkeeper using notes of Rs.10, Rs. 5 and Rs.2 denomination.How many different ways can he make the payment if he uses at least one note of each denomination?pls suggest shortcut method using formula​

Answer 1

Answer:

19*3=rs 57 to be paid to shopkeeper

one way

RS 10* 3 = 30

RS 5 *5 =25

RS 2* 1 = 2

second way

RS 10* 4 = 40

RS 5 *3 =15

RS 2* 1 = 2

third way

RS 10* 5 = 50

RS 5 *1 =5

RS 2* 1 = 2

fourth way

RS 10* 2 = 20

RS 5 *5 =25

RS 2* 6 = 12