Select the option that is related to the third number in the same way as the second number is related to the first number.
9 : 99 : : 15 : ?
Answer & explanation
Correct answer: option 3
9 : 99 : : 15 : ?
The logic followed here is :
Ist number2 + ( Ist number × 2 ) = IInd number
As
92 + (9 × 2 )
81 + 18 = 99
Similarly 15 : ?
152 + (15 × 2 )
225 + 30 = 255