In a city of 26000 population, 5000 read English newspaper, 12000 read Nepali newspaper and 1000 read both. What percentage read neither English nor Nepali newspaper? ( from set theory)

for this case we have the following expression:

to solve, we rewrite the expression as:

we apply double c and we have:

thus, the quotient is 48.

so, patel found a wrong ratio and the multiplication was incorrect.

option d