(5n+2+35x 5n-1)/4 x 5n =?
সমাধান
সঠিক উত্তর: Option D
(5n+2+35x 5n-1)/(4 x 5n)
=(5n.52+7.51 x .5n.5-1) /(4 x 5n)
=5n(52+7 x 51-1) /(4 x 5n)
=5n(52+7 x 50)/(5n x 4)
=(52+7)/4
=32/4
= 8
=(5n.52+7.51 x .5n.5-1) /(4 x 5n)
=5n(52+7 x 51-1) /(4 x 5n)
=5n(52+7 x 50)/(5n x 4)
=(52+7)/4
=32/4
= 8