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MAT Exam 2021 Paper

Question Numbers: 71-74

DIRECTIONS (Qs. 71-74) : Complete the series by replacing the '?'.

Question : 72 of 200

Marks: +1, -0

AB11CD, EF 13 GH, IJ 17KL, ?

Solution:

Concept:

The series follows a pattern in both the letter pairs and the middle numbers.

Explanation:

The first letter pairs are

\mathrm{AB}, \mathrm{EF}, \mathrm{IJ}, \mathrm{MN}

Each pair moves forward by 4 letters in the alphabet.

The second letter pairs are

\mathrm{CD}, \mathrm{GH}, \mathrm{KL}, \mathrm{OP}

These also move forward by 4 letters each time.

The middle numbers are consecutive prime numbers:

11, 13, 17, 19

Therefore, the missing term is

\mathrm{MN}19\mathrm{OP}

Answer:

Option B:

\mathrm{MN}19\mathrm{OP}

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