Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number. 17 :−153 :: −13 : ? :: −21 : 189
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 117
17 :−153 :: −13 : ? :: −21 : 189
17 :−153
17 × (-9) = -153
−21 : 189
-21 × (-9) = 189
−13 : ?
-13 × (-9) = 117
Hence, the correct answer is 117.