55) What is the reduced bearing, if the whole circle bearing of 270 Degree 20 Minutes 23 Seconds?

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?