56) What is the height, if the horizontal distance between two points is 19.950m and observed angle of elevation is 19 Degree 44 Minutes 45 Seconds?

57) What is the reduced level of A, if reduced level of bench mark = 100.000m Reading of bench marks =0.745m, height of object (h) =7.160m?

58) What is the R.L of A (R.L of B.M =100.000m Reading of BM =0.945m height of object =5.260m)?

59) What is the co-ordinate of a line AB.observed radially from station A, whose W.C.B is <45 Degree 00 Minutes 00 Seconds?

60) What is the error if sum of the observed included angles of the traverse 95 Degree 00 Minutes 00 Seconds +75 Degree 00 Minutes 00 Seconds +125 Degree 00 Minutes 00 Seconds +70 Degree 00 Minutes 00 Seconds