Multiple choice question III — task. Mathematics State Board, Class 7.

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1.

$12$ cows can graze a field for

$10$ days.

$20$ cows graze the same field for ______ days.

$8$
$6$
$18$
$15$

2.

$4$ typists are employed to complete a work in

$12$ days. If two more typists are added, they will finish the same work in ________ days.

$8$
$7$
$9$
$10$

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