alleryଗୋଟିଏ ରାଶି 20% ହ୍ରାସ ପାଏ, ତା’ପରେ 20% ବୃଦ୍ଧି ପାଏ। ନିଟ୍ ପରିବର୍ତ୍ତନ କେତେ?
Aକୌଣସି ପରିବର୍ତ୍ତନ ନାହିଁ
B8% ହ୍ରାସ
C4% ବୃଦ୍ଧି
D4% ହ୍ରାସ
Answer & Solution
Correct answer: D. 4% ହ୍ରାସ
କ୍ରମିକ ଗୁଣକ 0.8 ଏବଂ 1.2 ଗୁଣନ କଲେ 0.96 ମିଳେ, ଯାହାକି 4% ହ୍ରାସ ଅଟେ।
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