In a bag, white mobile covers and black mobile covers are in the ratio of 4 : 7. If there are 280 black mobile covers, then how many white mobile covers are there in the bag?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 160.
Given that
white mobile covers and black mobile covers ratio = 4 : 7
Black covers = 7 unit = 280
White covers = 4 unit = 280 * 4 / 7 = 160