question_answer

A tailor used 62.78 metres of red ribbon, 93.22 metres of blue ribbon, and 59.10 metres of yellow ribbon in a dress. What is the total length of ribbon used by the tailor in the dress? If the cost of ribbon is 2.50/metre, what is the cost of ribbon used in the dress?

A) 215.10 m +, Rs.537.75 

B) 215.22 m +, Rs.537.00

C) 215.22 m+, Rs.537.50                

D) 215.10 m +, Rs.537.25

Correct Answer: A

Solution :

Total length = 62.78 + 93.22 * 59.10 = 215.10. Cost of 1 m ribbon = 2.50.  Cost of 215.10 m ribbon = 215.10 x 2.50 = Rs. 537.75.