allery15,000 ଧାର୍ଯ୍ୟ ମୂଲ୍ୟ ଥିବା ଏକ ଟେବୁଲ 14,400 ରେ ଉପଲବ୍ଧ। ରିହାତି ପ୍ରତିଶତ କେତେ:
A4%
B3%
C5%
D6%
Answer & Solution
Correct answer: A. 4%
1. ଟଙ୍କାରେ ରିହାତି ହେଉଛି 15000 - 14400 = 600.
2. ପ୍ରତିଶତ ପାଇଁ ଆଧାର ହେଉଛି ଧାର୍ଯ୍ୟ ମୂଲ୍ୟ, 15000.
3. ତେଣୁ ରିହାତି ପ୍ରତିଶତ ହେଉଛି 600 / 15000 x 100.
4. ଏହାର ଫଳାଫଳ 4 ପ୍ରତିଶତ ହୁଏ।
5. 14400 କୁ ଆଧାର ଭାବରେ ବ୍ୟବହାର କଲେ ପ୍ରାୟ 4.17 ପ୍ରତିଶତ ମିଳିବ, ଯାହା ଏଠାରେ ଭ୍ରମାତ୍ମକ (trap) ଉତ୍ତର ଅଟେ।
_Source: syllabus Maths, Ch 7 'Comparing Quantities', S7.2 Finding Discounts_
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