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marin [14]
4 years ago
14

Please answer this logical reasoning question​

Mathematics
2 answers:
k0ka [10]4 years ago
8 0

Answer:

(b) 5.

Step-by-step explanation:

The bottom numbers are calculated from the 2 above them according to the formula:

c =  15(a + b)

- because:  75 = 15(2 + 3) and  

165 = 15(7 + 4)    

Therefore if the unknown number is x :

285 = 15(14 + x)

285 = 210 + 15x

15x = 285 - 210

15x = 75

x = 5.

Gnom [1K]4 years ago
6 0

Answer:

5

Step-by-step explanation:

5

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