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RRB Assistant Loco Pilot and Technician Model Paper 9 with solutions
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© examsnet.com
Question : 8
Total: 100
If
2
x
=
3
y
=
6
–
z
then
(
1
x
+
1
y
+
1
z
)
, is equal to
0
1
3
2
-
1
2
Validate
Solution:
(a)
2
x
=
3
y
=
6
−
z
=
k
⇒
2
=
k
1
x
;
3
=
k
1
y
;
6
=
k
1
z
∵
2
×
3
=
6
⇒
k
1
x
×
k
1
y
=
k
−
1
z
⇒
k
1
x
+
1
y
=
k
−
1
z
⇒
1
x
+
1
y
=
−
1
z
⇒
1
x
+
1
y
+
1
z
=
0
© examsnet.com
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