Question

In a box, there are red marbles and blue marbles. The ratio of red marbles to blue marbles is 7:4. Which one of the following could be the total numbers of marbles in the box?

1) 18 (2) 19. ( 3). 21. (4) 22


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Answer 1

Answer:

Total marbles are 7x+4x=11x. And 22 us the only multiple of 11 in the given option. Hence answer Is D 22

Answer 2

Answer is 22

step by step explaination

let no of red marbles be 7x and blue be 4x as the total

marbles are 11x

so total marbles are of multiples of 11

so answer is 22