Corrections:

3. The first railway line in Pakistan was laid between
(a) multan-lahore
(b) karachi-kotri
(c) sibi-quetta
(d) rawalpindi-peshawar

13. I _____ an old friend in Empress market this morning
(a) came around
(b) came round
(c) came across
(d) came with

40. He died _____ malaria.
(a) from
(b) due to
(c) of
(d) owing to

46. Magnanimous
(a) selfish
(b) naive
(c) generous
(d) small

47. Catholic
(a) rigid
(b) orthodox
(c) strict
(d) narrow minded

48. Tacit
(a) order
(b) written
(c) oral
(d) understanding