SSC JE Civil Engineering 2018 Set 1 Solved Paper

Question : 124 of 200

Marks: +1, -0

Calculate the volume of the embankment (in cubic metre) using trapezoidal method, if the cross section areas of the three sections of an embankment at an interval of 30 m are 20 square metres, 40 square metres and 50 square metres.

1100
1150
2250
2350

Validate

Solution:

By trapezoidal method:-

V=d[{A_1-A_n}/2+A_2+A_3

+......+A_{n-1}]

V=30[{50+20}/2+40]

V = 2250 \m^3

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