1.

A dozen books cost RS 1920 .Find the cost of 7such books

Answer»

Step-by-step explanation:

A one DOZEN book cost is 1920 means the cost of 12 book is 1920

And cost of SEVEN books are ?

now we have to find the cost of one book

= 1920 ÷ 2

= 960

= 960 ÷ 2

= 480

now we have GET the cost of one book is 480

now we have to multiply

= 480 ×7

= 3360

the cost of books are 3360 :- ANSWER



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