Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Quantitative Aptitude Elementary Statistics

10 ଏବଂ 20 ରୁ n ସଂଖ୍ୟାଗୁଡ଼ିକର ବିଘ୍ନର ପରିମାଣ ଯଥାକ୍ରମେ a, b ଅଟେ | ଯଦି \(\frac{b}{a}\) = -4, ତେବେ ଏହି n ସଂଖ୍ୟାଗୁଡ଼ିକର ମଧ୍ୟମାନ କ’ଣ?

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