Question : There are 222 red balls in a basket. A boy takes out 6 red balls from it and replaces them with 12 white balls. He continues to do so till all the red balls are replaced by white balls. Determine the number of white balls put in the basket.
Option 1: 444
Option 2: 111
Option 3: 333
Option 4: 222
Correct Answer: 444
Solution :
We have,
The 6 red balls are replaced with 12 white balls.
⇒ 1 red ball = 2 white ball
Hence, the correct answer is 444.