Question

There are 222 red marbles in a box. Amit takes out 6 red marbles and replaces
them with 12 blue marbles. He continues doing this till all the red marbles are
replaced with blue marbles.
Which of the following expressions gives the total number of blue marbles he put in
the box?
A. (222 ÷ 6) ÷ 12 B. (222 - 6) + 12
C. (222 ÷ 6) + 12
D. (222 ÷ 6) x 12

Answer 1

Answer:

Simple Way:

First Divide 222 by 6 to check how many times we took out red marbles. The answer came 37 Times. Now multiply it by 12 as to know the white marbles as each time he took away red marbles he replaced it by 12 white marbles.

37*12= 444. So, the number of white marbles is 444

Step-by-step explanation:

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