Question : Directions: Select the option 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.
18 : 190 :: 20 : 210 :: 22 : ?
Option 1: 230
Option 2: 210
Option 3: 190
Option 4: 200
Correct Answer: 230
Solution :
Given:
18 : 190 :: 20 : 210 :: 22 : ?
The first number is multiplied by 10, and then 10 is added to the resultant, to obtain the second number in each number pair –
Like, 18 : 190→18 : 18 × 10 + 10 = 190
And, 20 : 210→20 × 10 + 10 = 210
Similarly, follow the same pattern for 22 : ?→
22 × 10 + 10 = 230
So, the required number is 230. Hence, the first option is correct.
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