Question

Which of the following statements are true?
A. If $x : y = 3 : 1$ then $x ^3 − y ^3 = \frac{10}{11}$
B. If $x=y+12,x:y=3:2$ and $z:y=1:3$,then $z+x=44$
C. If $3x=8y$ and $5y=9z$,then $\frac{x}{z}=\frac{72}{15}$
Choose the most appropriate answer from the options given below:

• A. A and B only
• B. A and C only
• C. B and C only
• D. A, B and C

Answer 1

Answer: (C)

B and C only

Answer 2

The correct option is(C): B and C only