alleryଗୋଟିଏ ଦୋକାନ 20% ରିହାତି ପ୍ରଦାନ କରେ। 250 ଧାର୍ଯ୍ୟ ମୂଲ୍ୟ ଥିବା ଏକ ବ୍ୟାଗର ବିକ୍ରୟ ମୂଲ୍ୟ ହେଉଛି:
A180
B210
C230
D200
Answer & Solution
Correct answer: D. 200
1. 20 ପ୍ରତିଶତ ରିହାତିର ଅର୍ଥ ହେଉଛି ଗ୍ରାହକ ଧାର୍ଯ୍ୟ ମୂଲ୍ୟର 80 ପ୍ରତିଶତ ପ୍ରଦାନ କରନ୍ତି।
2. ଏଠାରେ ଧାର୍ଯ୍ୟ ମୂଲ୍ୟ ହେଉଛି 250।
3. ତେଣୁ ବିକ୍ରୟ ମୂଲ୍ୟ ହେଉଛି 80 / 100 x 250।
4. ତାହା ହେଉଛି 200।
5. ଅନ୍ୟ ଉପାୟରେ ଯାଞ୍ଚ କଲେ, ରିହାତି ହେଉଛି 20 / 100 x 250 = 50, ଏବଂ 250 - 50 = 200।
_Source: syllabus Maths, Ch 7 'Comparing Quantities', S7.2 Finding Discounts_
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