A survey is conducted to count the number of different types of trees in a forest, for which a code is written on each tree. Which of the following gives the missing term in the given pattern of codes?

A11, A22, A33, ?, A55

A34

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A44

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A54

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A45

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Solution

The correct option is B A44
The first three terms of the given sequence are A11, A22, A33.

Here, the letters in the terms are same, A.

Let us find the difference between the numbers of the terms.

Difference between the first two numbers = 22 - 11 = 11

DIfference between the 2nd and the 3rd terms = 33 - 22 =11

Hence, to find the next number, we have to add 11 to the term.

Therefore, the next number = 33 + 11 = 44

Hence, the missing term = A44

And, the pattern is A11, A22, A33, A44, A55.

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A survey is conducted to count the number of different types of trees in a forest, for which a code is written on each tree. Which of the following gives the missing term in the given pattern of codes? A11, A22, A33, ?, A55

A survey is conducted to count the number of different types of trees in a forest, for which a code is written on each tree. Which of the following gives the missing term in the given pattern of codes?

A11, A22, A33, ?, A55