Q144
Three numbers are in the ratio 3 : 4 : 5. The sum of the largest and the smallest equals to the sum of the second number and 52. The smallest number is = ?
A.
20
B.
27
C.
39
AnswerD.
52
Answer: Option C
Solution
Answer: Option C
Solution:
| A | : | B | : | C | |
| 3 | : | 4 | : | 5 | |
| Let | 3x | : | 4x | : | 5x |
A + C = 8x
According of the question,
8x = 4x + 52
4x = 52
x = 13
∴ Smallest number is = A
⇒ 13 × 3 = 39