Question

a match box contains 50 sticks how many sticks are there in 25 such match boxes

Answer 1

no of sticks in 1 matchbox =50
no of sticks in 25 matchboxes=
$50 \times 25 = 1250$

Answer 2

if 1 box contain 50 match stick
then,
50 boxes will contain = 50×25=1250