1. In a group of cows and chickens, the number of legs was 14 more than twice the number of heads. The number of cows was:
(a) 5, (b) 7, (c) 10, (d) 12, (e) 14
2. The roots of the equation ax2 + bx + c = 0 will be reciprocal if:
(a) a = b, (b) a = bc, (c) c = a, (d) c = b, (e) c = ab.