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.
15 : 135 :: 16 : ? :: 18 : 189
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 152.
The logic followed here is:
[(15 + 3) × 15 ] ÷ 2 = 135
[(18 + 3) × 18] ÷ 2 = 189
Similarly,
[(16 + 3) × 16] ÷ 2 = 152
Hence, the correct answer is 152.