If p : q = 3 : 4, r : s = 8 : 5 and x : y = 10 : 6, then psx : qry is equal to.
A. $$\frac{{16}}{{25}}$$
B. $$\frac{{25}}{{32}}$$
C. $$2$$
D. $$\frac{{75}}{{32}}$$
Answer: Option B
Solution(By Examveda Team)
$$\eqalign{ & = \frac{p}{q} = \frac{3}{4},\frac{r}{s} = \frac{8}{5},\frac{x}{y} = \frac{{10}}{6} \cr & \Rightarrow p = \frac{{3q}}{4},r = \frac{{8s}}{5},x = \frac{{5y}}{3} \cr & \therefore \frac{{psx}}{{qry}} = \frac{{\frac{{3q}}{4} \times s \times \frac{{5y}}{3}}}{{q \times \frac{{8s}}{5} \times y}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{{\frac{5}{4}qsy}}{{\frac{8}{5}qsy}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{5}{4} \times \frac{5}{8} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{{25}}{{32}} \cr} $$Related Questions on Ratio
If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to
A. 2 : 1
B. 14 : 3
C. 7 : 2
D. 1 : 2
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is
A. 2 : 3 : 3
B. 3 : 4 : 5
C. 4 : 5 : 6
D. 9 : 8 : 10
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