Choose or find odd number pair
$(23 - 29), (19 - 25), (13 - 17), (3 - 5)$

23 - 29

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19 - 25

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13 - 17

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3 - 5

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Solution

The correct option is B $19 - 25$
All other pairs consist of prime numbers only.

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Similar questions

18

19 - 21

Class	$11 - 13$	$13 - 15$	$15 - 17$	$17 - 19$	$19 - 21$	$21 - 23$	$23 - 25$
Frequency	$3$	$6$	$9$	$13$	$f$	$5$	$4$

18

f

17, 19, 23, 29, 31, . . . . .

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