| Direction: Select the related letters/numbers from the given alternatives. |
| 5 : 124 :: 7: ? |
A) 125
B) 248
C) 342
D) 343
Correct Answer: C
Solution :
The relationship is x: \[\left( {{x}^{3}}-1 \right)\] \[\therefore \]\[5:({{5}^{3}}-1)=5:125-1=124\] Similarly, \[7:({{7}^{3}}-1)=7:343-1=[342]\]
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