Question

A box has 12 balls ,some of which are red and remaining are blue .the fraction for number of blue balls is 7 /12.how many balls are red?​

Answer 1

Answer:

Ans) 1/3

Step-by-step explanation:

Total number of balls =12

There are red and blue balls mixed together.

Fraction of blue balls =7/12

Fraction of red balls =(12-7)/12

= 4/12

=1/3

Answer 2

Answer:

5 red balls

Step-by-step explanation:

No. of balls in box = 12

Fracting of blue balls = 7/12

Therefore,

No. of blue balls = 7/12 × 12

=> 7 blue balls

No. of red balls = 12 - 7

=> 5 red balls. Ans