A dealer purchased 125computer sets. If the cost of each is ₹21,346, determine the cost of all computer sets.
The cost of one computer set =₹21,346
The cost of 125 such a computer sets =₹21,346×125
=21,346×100+25=21346×100+21346×25=2134600+533650=26,68,250
Hence, the cost of all such 125 computer sets is ₹26,68,250
15% of the cost of a computer was tax. If the tax was ₹1800, what was the cost of the computer ?
A dealer purchased 135 color TV sets. If the cost of each set is Rs 12,500, then find the total cost of all these sets.