66: Which one of the following genetic diseases is sex-linked ?
(a) Royal haemophilia
(b) Tay-Sachs disease
(c) Cystic fibrosis
(d) Hypertension
67: Each of the persons A, B, C, D and E possesses Unequal number (<10) of similar items. A, B and C possess 21 items in all, while C, D and E possess 7 items in all. How many items do A and B possess in all?
(A) 17
(B) 15
(C) 18
(D) Data is insufficient
68: The human body is immune to which of the following diseases?
(a) Smallpox
(b) Diabetes
(c) Tuberculosis
(d) jaundice
69: The new Gross Domestic Product (GDP) series released by the Central Statistical Organisation (CSO) in February 1999 is with reference to base price of
(a) 1991-92
(b) 1992-93
(c) 1993-94
(d) 1994-95
70: Parimarjan Negi has excelled which one of the following games ?
(a) Weightlifting
(b) Chess
(c) Billiards
(d) Swimming