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)
776 : 1553 :: 218 : ? :: 133 : 267
Show answer & explanation
Correct answer: D
Explanation
776 : 1553 :: 218 : ? :: 133 : 267
Just as
776 : 1553
776 × 2 + 1 = 1553
and
133 : 267
133 × 2 + 1 = 267
Rule: Second number = (First number × 2) + 1
Similarly
218 : ?
218 × 2 + 1
= 436 + 1
= 437