What is the value of D, if A : C = B : D in the given table?
| A | B | C | D |
| 25 | 40 | 30 | ? |
Options
a) 42
b) 45
c) 48
d) 56
Solution
As per question
A : C = B : D
$ \frac{A}{C} = \frac{B}{D}$
$ \frac{25}{30} = \frac{40}{D}$
25D = 1200
D = 48
Ans: 48
| A | B | C | D |
| 25 | 40 | 30 | ? |
Options
a) 42
b) 45
c) 48
d) 56
As per question
A : C = B : D
$ \frac{A}{C} = \frac{B}{D}$
$ \frac{25}{30} = \frac{40}{D}$
25D = 1200
D = 48
Ans: 48