alleryଗୋଟିଏ ଚଟାଣର ମାପ 640 cm x 480 cm ଅଟେ। ଏଥିରେ ସମ୍ପୂର୍ଣ୍ଣ ଭାବରେ ଖାପ ଖାଉଥିବା ସବୁଠାରୁ ବଡ଼ ବର୍ଗାକାର ଟାଇଲ୍ର ବାହୁର ଦୈର୍ଘ୍ୟ କେତେ?
A80 cm
B120 cm
C240 cm
D160 cm
Answer & Solution
Correct answer: D. 160 cm
ଟାଇଲ୍ର ବାହୁ ଉଭୟ ଦୈର୍ଘ୍ୟକୁ ବିଭାଜିତ କରିବା ଉଚିତ, ତେଣୁ ଏହା ହେଉଛି HCF(640, 480) = 160 cm।
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