If 52.54.56.58.........52n =(0.04)-28 then n=OPTIONS:\t5\t6\t7\t8\t9
ASh , 6 Years ago
Grade 12th Pass
Magical Mathematics[Interesting Approach]> If 5 2 .5 4 .5 6 .5 8 .........5 2n =(0.0...
1 Answers
Sandeep Bhamoo
Last Activity: 6 Years ago
(0.04)^(-28) = (5^-2)^(-28) = 5^(56). Hence 56 = 2(1+2+3....n). 56=2{n(n+1)/2} =n(n+1). n=7. Please do approve my answer if correct
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