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Mathematics
Mathematics
Problem
If
x
,
y
,
z
x, y, z
x
,
y
,
z
are three natural numbers in A.P. such that
x
+
y
+
z
=
30
x + y + z = 30
x
+
y
+
z
=
30
, then the possible number of ordered triplet
(
x
,
y
,
z
)
(x, y, z)
(
x
,
y
,
z
)
is: (a) 18 (b) 19 (c) 20 (d) 21
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