Question

a) Product (P) of three numbers x, y and z.
b) Sum (S) of the square of p and the cube of q.
c) Average (A) of four numbers m, n, p and q.
a) The difference (D) between the ages of two boys, one being
a years old and the other ise years old.
e) The cost ($C) of meggs at $12 each.
0 The area (A) of a semicircle whose radius is r.
a) Time (T), in minutes, for a train journey of a hours and b
minutes​

Answer 1

a) P = xyz

b) S = p² + q³

c) A = m + n + p + q

4

d) D = a - e

e) $C = $ 12m

f) A = πr²/2

g) T = 60a + b min

( 1 hour = 60 min

a hours = 60a min

a hours and b min = 60a + b min)