(10+4)\(\%\) infants die either at infancy or before the age of 5 years, So only 86\(\%\) survive.
Average \(\%\)of children who enrolled in school
\(\frac{68+43}{2}\) = 55.5\(\%\)
44\(\%\)children who attend the school do not drop before reaching 5th standard.
Required Percentage=86 × 55.5 × 44=21\(\%\).
So the correct option is (D)