The sum of three numbers is 280. If the ratio between the first and second numbers is 2 : 3 and the ratio between second and third numbers is 4 : 5, then find the second number.
A. 80
B. 90
C. 86
D. 96
Answer: Option D
Solution(By Examveda Team)
$$\eqalign{ & \,\,\,{{\text{I}}^{{\text{st}}}}\,\,\,{\text{I}}{{\text{I}}^{{\text{nd}}}}\,\,\,{\text{II}}{{\text{I}}^{{\text{rd}}}} \cr & \,\,2\,\,:\,\,3 \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,4\,\,:\,\,5 \cr & \overline {\,8\,:\,12\,:\,15\,} \cr & 35{\text{ unit}} \to {\text{280}} \cr & {\text{1 unit}} \to 8 \cr & 12\,{\text{unit}} \to 12 \times 8 = 96 \cr} $$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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