Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
3125 : 25 :: 1600 : 20 :: 675 : ?
Option 1: 18
Option 2: 10
Option 3: 15
Option 4: 20
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Correct Answer: 15
Solution :
Given:
3125 : 25 :: 1600 : 20 :: 675 : ?
Like, 3125 : 25→3125 × 5 = 15625; 15625 is the cube of 25.
1600 : 20→1600 × 5 = 8000; 8000 is the cube of 20.
Similarly, follow the same pattern for 675 : ?→675 × 5 = 3375; 3375 is the cube of 15.
So, 15 is related to 675 in the same way as the second number is related to the first and the fourth number is related to the third. Hence, the third option is correct.
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