Question

The ratio of boys to girls in Mona's class is 3 : 4 .Which of the following ratio is equivalent to 3 : 4 ?

• A. $1:2$
• B. $6:9$
• C. $16:18$
• D. $18:24$

Answer 1

The correct option is D $18:24$

(B) $6:9=2\times 3:3\times 3$

$=2:3$

(C) $16:18=8\times 2:9\times 2$

$=8:9$

(D) $18:24=3\times 6:4\times 6$

$=3:4$

Hence, the answer is $18:24$.