Select the option that is related to the third number in the same way as the second number is related to the first number.
12 : 140 :: 15 : ?
- A231
- B115
- C135
- D221
Solution & Step-by-step Explanation
The relationship followed between the first and second number is:
Number→(Number)
2
−4
Let's test this with the first pair:
12
2
−4=144−4=140
Applying the same logic to the third number (15):
15
2
−4=225−4=221
Number→(Number)
2
−4
Let's test this with the first pair:
12
2
−4=144−4=140
Applying the same logic to the third number (15):
15
2
−4=225−4=221