Question

If
1 S
and
2 S
denote respectively, the number of
English and French second in an angle, then
(a)
1 2
9 10
S S
(b)
1 2
27 50
S S
(c)
1 2
81 250
S S
(d) None

Answer 1

Answer:

sorry I didn't know

Step-by-step explanation:

I don't understand this