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If LAMP is coded as 30-52-28-22, then TOY will be coded as

  • A.14-24-4
  • B.20-15-25
  • C.14-4-24
  • D.20-25-15

Answer: A

TOY is coded as 14-24-4.

Each number is twice the position of the letter counted from the end of the alphabet (Z = 1, Y = 2, ..., A = 26). In LAMP: L is 15th from the end, giving 30; A gives 26 × 2 = 52; M gives 14 × 2 = 28; P gives 11 × 2 = 22.

For TOY: T is 7th from the end (14), O is 12th (24), Y is 2nd (4). So TOY is 14-24-4.

20-15-25 and 20-25-15 are the ordinary alphabet positions of the letters, which is not the rule used for LAMP, and 14-4-24 has the right numbers in the wrong order.

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