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Question

Select the rational numbers which lie between 34 and 56

 



A

1920, 2320, 2720, 3120

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B

1915, 2310, 2720, 3120

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C

1915, 2325, 272, 3115

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D

1925, 2325, 2725, 3125

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Solution

The correct option is A

1920, 2320, 2720, 3120


We know that 34<56

So, let x=34 and y=56 and take n=4 so that we can find 4 different rational numbers.

We have d=yxn+1=56344+1=15

So, the numbers are x+d, x+2d, x+3d, x+4d

=34+15, 34+25, 34+35, 34+45

=1920, 2320, 2720, 3120


Mathematics

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