GATE2019 CE-2: 43

Question

A series of perpendicular offsets taken from a curved boundary wall to a straight survey line at an interval of $6 \: m$ are $1.22, \: 1.67, \: 2.04, \: 2.34, \: 2.14, \: 1.87$, and $1.15 \:m$. The area (in $m^2$, round off to 2 decimal places) bounded by the survey line, curved boundary wall, the first and the last offsets, determined using Simpson’s rule, is ________

Answer 1

in official key its range is given as 67 to 70 please correct it.

Answer 2

As per Gate 2019 answer  key of civil paper afternoon, the range is given as 67 to 70 please correct it