Question : Directions: In a certain code language, HEG is coded as 840, and JFD is coded as 720. What is the code for JDK in that code language?
Option 1: 1380
Option 2: 1320
Option 3: 1280
Option 4: 1400
Correct Answer: 1320
Solution :
Given:
HEG is coded as 840, JFD is coded as 720.
Multiply the positional values of the letters of HEG, and then the resultant is multiplied by 3, to obtain the required code –
H→8; E→5; G→7
(8 × 5 × 7) × 3 = 840
Thus, HEG is coded as 840.
And, JFD is coded as 720 –
J→10; F→6; D→4
(10 × 6 × 4) × 3 = 720
Similarly, follow the same pattern for JDK→
J→10; D→4; K→11
(10 × 4 × 11) × 3 = 1320
So, JDK is coded as 1320. Hence, the second option is correct.
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