Question

2nd question: answer of h.

Answer 1

3×1269=3807.√3807=61.7 is equal to 62(approx)and

√1764 is 42.

62/42=31/21.

Answer 2

h.

(3×1764+1269)/1764=6561/1764

81×81/42×42.

srt.81/42=27/14