Test Index

Number series coding and Decoding and odd man out

Question : 17 of 51

Marks: +1, -0

16,25,36,62,144,196,225

Solution:

Concept:

Identify the odd one out by recognizing a common pattern; here, all numbers are perfect squares except one.

Explanation:

•

16 = 4^2

25 = 5^2

36 = 6^2

144 = 12^2

196 = 14^2

225 = 15^2

are all perfect squares.

•

62

is not a perfect square and does not fit this pattern.

• Therefore,

62

is the odd one out.

Answer:

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