$84feet$

$88feet$

$85feet$

$89feet$

B. $88feet$

We are given with length and area, so we can find the breadth.

as Length * Breadth = Area

$\Rightarrow 20*Breadth=680\phantom{\rule{0ex}{0ex}}\Rightarrow Breadth=34feet\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}Areatobefenced=2B+L=2*34+20\phantom{\rule{0ex}{0ex}}=88feet$

614

714

814

914

$44\%$

$45\%$

$34\%$

$35\%$

$17meter$

$23meter$

$20meter$

$25meter$

27%

28%

29%

30%

3410

3420

3430

3440

2400 sq.cm

2480 sq.cm

2560 sq.cm

None of these

$84feet$

$88feet$

$85feet$

$89feet$

15,000

15,500

15,600

16,500

${m}^{2}$

1520${m}^{2}$

2420${m}^{2}$

2480${m}^{2}$

252040 m

50 m

120 m

None of these

50 cm

64 cm

124 cm

120 cm

$4:15$

$4:25$

$3:15$

$3:25$

$153500{m}^{2}$

$152500{m}^{2}$

$153800{m}^{2}$

$153600{m}^{2}$

200cm

150cm

180cm

100cm

18750 sq.m

37500 sq.m

40000 sq.m

48000 sq.m

$24cm$

$26cm$

$23cm$

$28cm$

7 cm

7.1 cm

7.2 cm

7.3 cm

20000

23000

25000

26000

55 m

56 m

57 m

58 m

46 sq.ft

81 sq.ft

126 sq.ft

252 sq.ft

$5m*5m$

$10m*5m$

$15m*5m$

$20m*5m$

110 cm

115 cm

120 cm

125 cm