Question

the cost of 18 chairs is rs 22770 how many such chairs can be brought for rs 10120

Answer 1

Cost of one chair=rs.(22770/18)=rs.1265
No.. Of chairs that can be bought for rs.. 10120=10120/1265=8

Answer 2

As the question says
Cost of 18 chairs =Rs.22770
Therefore
Cost of 1 chair Will be=22770÷18=1265 Rs
Number of chairs that can be brought for rs 10120=10120÷1265=8

Ans)8 such chairs can be brought with Rs.10120