Question

james bought 5 each of 2 kinds of cfl bulb for 100 rupees. The price of the cheaper lamp is 85 rupees a piece. what is the price of one of the costlier kind​

Answer 1

Answer:

cost of 1 cheaper lamp=85,

then

cost of 5 cheaper lamps=85×5=425,

therefore

left money=1000-425=575,

now the remaining 575 rs. will be the cost of 5 costlier lamps,

then

cost of 1 costlier lamp=575/5,

=115 rs.