A dozen pairs of socks quoted at Rs.180 are available at discount of 20%. How many pairs of socks can be bought for Rs.48?
Options:
A .  2 pairs
B .  5 pairs
C .  3 pairs
D .  4 pairs
Answer: Option D Answer: (d)Since S.P. of a dozen pairs of socks = ${180 × 80}/100$ = Rs.144S.P. of 1 pair of socks = $144/12$ = Rs.12No of pairs available for Rs.48 = $48/12$ = 4
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