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RBI Assistant Model Paper 2
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© examsnet.com
Question : 35
Total: 100
The height and base of a triangle are equal to the length and breadth of a rectangle respectively. If the perimeter of the rectangle is
86
m
and the difference between its length and breadth is
5
m
, what is the area of the triangle ? (
in
m
2
)
224
228
216
242
256
Validate
Solution:
Breadth of rectangle =
x
metre (let)
∴ Length =
(
x
+
5
)
metre
∴
2
(
x
+
5
+
x
)
=
86
⇒
2
x
+
5
=
43
⇒
2
x
=
43
−
5
=
38
⇒
x
=
19
metre = breadth = base
∴ Length =
19
+
5
=
24
metre = height
∴ Area of triangle =
1
2
×
base
×
height
=
1
2
×
24
×
19
=
228
sq.metre
© examsnet.com
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