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Question : Directions: Select the option that is related to the third number in the same way as the second number is related to the first number.
20 : 30 :: 100 : ?
Option 1: 210
Option 2: 1480
Option 3: 150
Option 4: 140
Answer (1)
Correct Answer: 150
Solution :
Given:
20 : 30 :: 100 : ?
Multiply the first number by 1.5, to get the second number in each number pair –
Like, 20 : 30→20 × 1.5 = 30
Similarly, follow the same pattern for 100 : ?→100 × 1.5 = 150
So, 150 is the required missing number. Hence the third option is correct.
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