Question 23

Three of the following four numbers are alike in a certain way and one is different. Pick the number that is different from the rest.

Solution

From the given options,

we can see that,

$$166=2\times 83$$

$$132=2\times \times 3\times 11$$

$$341=11\times 31$$

$$209=11\times 19$$

Apart from 166, all the given numbers are divisible by 11. Hence option A is the different from the given options.

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