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IBPS RRB Officer Prelims 14 Nov 2016 Shift 1 Paper
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Question : 58
Total: 80
It takes Rs. 3159 to plant synthetic grass in a square lawn,
1
4
of which is paved (and thus does not require grass). If each side of this lawn measures 18m, what is the rate that the gardener charges for planting synthetic grass? (
i
n
R
s
.
/
m
2
)
18
11
16
15
13
Validate
Solution:
(5)Region of lawn in whichsynthetic grass is to be planted
=
3
4
×
18
×
18
= 243 sq. metre
∴ Required rate
=
T
o
t
a
l
c
o
s
t
A
r
e
a
=
3159
243
= Rs. 13 per sq. metre
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