1. What is the number which when subtracted from its square is 5 times itself?
(a) 4
(b) 5
(c) 6
(d) 8
(e) None of these
3. Angles of elevation of the top of a tower from three points (collinear) A, B and C on a road leading to the foot of the tower are 30 o , 45 o and 60 o respectively. The ratio of AB to BC is
1) 2: 3
2) 1: 2
3) 3 : 2
4) 3 : 1
3. How many people who play Cards only and play Golf only belong to age group 16 – 20 years?
(a) 4
(b) 3
(c) 5
(e) None of these
(d) Data insufficient