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Question

The ascending arrangement of 23,67,1321 is:


A

67,23,1321

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B

1321,23,67

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C

67,1321,23

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D

23,67,1321

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Solution

The correct option is B

1321,23,67


Correct option: (b) 1321,23,67

Explanation

23,67,1321

On taking LCMof 21,3,7 we get

LCM21,3,7=21

We will change each of the given fractions into an equivalent fraction having 21 as the denominator.

23=2×73×7=142167=6×37×3=18211321=13×121×1=1321

Then we arrange the fractions

1321<1421<1821

Hence,

1321<23<67

Hence, the given fractions in ascending order are 1321,23,67

Hence, the correct option is (b)


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