Answer:
C and B
Explanation:
if u observed carefully u will see option c has
5 boxes coverd out of 20
 5*100/20
= 25% 
AND IF U OBSERVED CARFULLY WILL SEE OPTION B 
4 TRIANGLES ARE COVERED AND TOTAL TRIANGLES ARE 16 SO
100*4/16
= 100/4
= 25%. 
HOPE ITS HELPFUL 
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