In a box, Refrigerator covers and Washing Machine covers are in the ratio of 7 : 11. If the Washing Machine covers are 660, how many Refrigerator covers are there?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 420.
Ratio of Refrigerator covers to Washing Machine covers = 7 : 11
Washing Machine covers = 660
Let 11 parts = 660
part = 660 ÷ 11 = 60
Refrigerator covers = 7 parts = 7 × 60 = 420