Question

rohit sold his watch for rs 1280 lossing thereby 20% find the
amount he paid

Answer 1

SP of watch = Rs 1280
Loss = 20%
CP of watch = Rs 100/(100 - 20) × 1280
= Rs 1600

RS 1600 is the amount he just paid.

Answer 2

amount he paid =
1280 20% = 1280/100 = 12.80
= 20% = 12.80 ×20 = 256
he paid =
1280 + 256 = 1536

ROHIT PAID 1536 RS

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