Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(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 /deleting /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)
(21, 105, 35)
(27, 135, 45)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. (39, 195, 65)
⇒(21, 105, 35)
7 × 3 = 21, 7 × 5 = 35, 7 × 15 = 105.
⇒(27, 135, 45)
9 × 3 = 27, 9 × 5 = 45, 9 × 15 = 135.
Similarly,
⇒(39, 195, 65)
13 × 3 = 39, 13 × 5 = 65, 13 × 15 = 195