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 sixth number is related to fifth number.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g.13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
871 : 550 :: 397 : ? :: 630 : 309
Show answer & explanation
Correct answer: C
Explanation
871 : 550 :: 397 : ? :: 630 : 309
Just as:
871 → 550
871 − 321 = 550
And:
630 → 309
630 − 321 = 309
Similarly:
397 : ?
397 − 321 = 76