? MP of the article = ? 60
SP of the article = [60 x (100 - 15)]/100
= (60 x 85)/100 = ? 51
Thus, actual SP of the article = (51 - 3) = ? 48
Hence, CP of the article = (48 x 100)/(100 + 20)
= (48 x 100)/120
= ? 40
4th observation i.e., 8 is the median.
47/10000 = .0047
.02 =(2/100) x 100% =2%
Let N / 11 = 233
Then, N = 233 x 11 = 2563
? Missing digit is 5.
121012 = 12 x 10084 + 4
? remainder = 4
We have the important relation, More work, More time (days)
? A piece of work can be done in 6 days.
? Three times of work of same type can be done in 6 x 3
= 18 days
? = 750.0003 ÷ 19.999
? ? ? 750 ÷ 20
? ? ? 375 ? 38
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