If the sum of 3, 7 and x is 18, then the average (arithmetic mean) of 3, 7 and x is:
a) 6
b) 7
c) 8
d) 10
The conjugate acid of water (H2O) is:
a) HOH
b) OH
c) H3O+
d) H+
The maximum number of electrons in any shell is equal to:
a) N
b) 2N
c) 2N+
d) N+
The philosopher who from the first time mentioned the importance of play (or sports) in education was:
a) Socrates
b) Plato
c) Aristotle
d) John Locke
South and South-East Asian countries have higher:
a) Birth rate
b) Death rate
c) Pollution
d) Population
In which of the following instructional procedure is the main component?
a) Synaptic Teaching Model
b) Basic Teaching Model
c) Inductive Model
d) Social Stimulation
